Common Weakness Enumeration
CWE-287
DiscouragedImproper Authentication
Abstraction: Class · Status: Draft
When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.
2091 vulnerabilities reference this CWE, most recent first.
CVE-2026-16209 (GCVE-0-2026-16209)
Vulnerability from cvelistv5 – Published: 2026-07-19 03:00 – Updated: 2026-07-20 12:14 X_Open Source
VLAI
EPSS
VEX
Title
Gerapy Project Upload Endpoint views.py missing authentication
Summary
A vulnerability has been found in Gerapy up to 0.9.13. The impacted element is an unknown function of the file gerapy/server/core/views.py of the component Project Upload Endpoint. Such manipulation leads to missing authentication. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The name of the patch is bd4891c60315f17611a3b7a651ffe0fba7cfe71e. Applying a patch is advised to resolve this issue.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-20 12:08 UTC
Assigner
VulDB
CNA
References
8 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/380025 | vdb-entry |
| https://vuldb.com/vuln/380025/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-16209 | third-party-advisory |
| https://vuldb.com/submit/857926 | third-party-advisory |
| https://github.com/Gerapy/Gerapy/issues/317 | exploitissue-tracking |
| https://github.com/Gerapy/Gerapy/pull/319 | issue-trackingpatch |
| https://github.com/Gerapy/Gerapy/commit/bd4891c60… | patch |
| https://github.com/Gerapy/Gerapy/ | product |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | Gerapy |
Affected:
0.9.0
Affected: 0.9.1 Affected: 0.9.2 Affected: 0.9.3 Affected: 0.9.4 Affected: 0.9.5 Affected: 0.9.6 Affected: 0.9.7 Affected: 0.9.8 Affected: 0.9.9 Affected: 0.9.10 Affected: 0.9.11 Affected: 0.9.12 Affected: 0.9.13 cpe:2.3:a:gerapy:gerapy:*:*:*:*:*:*:*:* |
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CVE-2026-16198 (GCVE-0-2026-16198)
Vulnerability from cvelistv5 – Published: 2026-07-18 23:30 – Updated: 2026-07-21 14:32 X_Open Source
VLAI
EPSS
VEX
Title
Sipeed PicoClaw First Run Setup access_control.go authentication bypass
Summary
A vulnerability was detected in Sipeed PicoClaw up to 0.2.9. The impacted element is an unknown function of the file web/backend/middleware/access_control.go of the component First Run Setup. Performing a manipulation of the argument allowed_cidrs results in authentication bypass using alternate channel. The attack may be initiated remotely. The attack's complexity is rated as high. The exploitability is regarded as difficult. The exploit is now public and may be used. The patch is named 017601354be38cb027ff3ffb01aed79bd5d12610. Applying a patch is the recommended action to fix this issue.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-21 14:31 UTC
Assigner
VulDB
CNA
References
8 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/380014 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/380014/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-16198 | third-party-advisory |
| https://vuldb.com/submit/852965 | third-party-advisory |
| https://github.com/sipeed/picoclaw/issues/3080 | exploitissue-tracking |
| https://github.com/sipeed/picoclaw/pull/3083 | issue-trackingpatch |
| https://github.com/sipeed/picoclaw/commit/0176013… | patch |
| https://github.com/sipeed/picoclaw/ | product |
Impacted products
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CVE-2026-16083 (GCVE-0-2026-16083)
Vulnerability from cvelistv5 – Published: 2026-07-18 08:30 – Updated: 2026-07-20 17:36
VLAI
EPSS
VEX
Title
Sipeed PicoClaw LINE Webhook line.go webhook.ParseRequest authentication replay
Summary
A security flaw has been discovered in Sipeed PicoClaw up to 0.2.9. This affects the function webhook.ParseRequest of the file pkg/channels/line/line.go of the component LINE Webhook. The manipulation results in authentication bypass by capture-replay. The attack may be launched remotely. The exploit has been released to the public and may be used for attacks. The reported GitHub issue was closed automatically with the label "not planned" by a bot.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-20 17:35 UTC
Assigner
VulDB
CNA
References
6 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/379795 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/379795/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-16083 | third-party-advisory |
| https://vuldb.com/submit/852945 | third-party-advisory |
| https://github.com/sipeed/picoclaw/issues/3073 | exploitissue-tracking |
| https://github.com/sipeed/picoclaw/ | product |
Impacted products
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CVE-2026-16076 (GCVE-0-2026-16076)
Vulnerability from cvelistv5 – Published: 2026-07-18 05:30 – Updated: 2026-07-20 19:10
VLAI
EPSS
VEX
Title
AstrBotDevs AstrBot API open_api.py OpenApiRoute.chat_send authentication spoofing
Summary
A vulnerability has been found in AstrBotDevs AstrBot up to 4.25.5. This issue affects the function OpenApiRoute.chat_send of the file astrbot/dashboard/routes/open_api.py of the component API. Such manipulation of the argument Username leads to authentication bypass by spoofing. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-20 16:59 UTC
Assigner
VulDB
CNA
References
5 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/379791 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/379791/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-16076 | third-party-advisory |
| https://vuldb.com/submit/852864 | third-party-advisory |
| https://gist.github.com/YLChen-007/080ba55a71588d… | exploit |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| AstrBotDevs | AstrBot |
Affected:
4.25.0
Affected: 4.25.1 Affected: 4.25.2 Affected: 4.25.3 Affected: 4.25.4 Affected: 4.25.5 cpe:2.3:a:astrbot:astrbot:*:*:*:*:*:*:*:* |
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CVE-2026-16015 (GCVE-0-2026-16015)
Vulnerability from cvelistv5 – Published: 2026-07-17 13:15 – Updated: 2026-07-17 18:05 X_Open Source
VLAI
EPSS
VEX
Title
poco-ai poco-claw executor_manager API tasks.py create_task missing authentication
Summary
A vulnerability was determined in poco-ai poco-claw up to 0.5.4. This vulnerability affects the function create_task of the file executor_manager/app/api/v1/tasks.py of the component executor_manager API. Executing a manipulation can lead to missing authentication. The exploit has been publicly disclosed and may be utilized. Upgrading to version 0.5.7 is able to resolve this issue. This patch is called 67fcc88505c57f77d3fcf04eb5b89425b10cbf48. It is recommended to upgrade the affected component.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-17 17:27 UTC
Assigner
VulDB
CNA
References
13 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/379757 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/379757/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-16015 | third-party-advisory |
| https://vuldb.com/submit/856812 | third-party-advisory |
| https://vuldb.com/submit/856813 | third-party-advisory |
| https://vuldb.com/submit/856815 | third-party-advisory |
| https://vuldb.com/submit/856816 | third-party-advisory |
| https://github.com/poco-ai/poco-claw/issues/136 | exploitissue-tracking |
| https://github.com/poco-ai/poco-claw/pull/135 | exploitissue-trackingpatch |
| https://github.com/poco-ai/poco-claw/issues/137 | exploitissue-tracking |
| https://github.com/poco-ai/poco-claw/commit/67fcc… | exploitpatch |
| https://github.com/poco-ai/poco-claw/releases/tag/0.5.7 | exploitpatch |
| https://github.com/poco-ai/poco-claw/ | exploitproduct |
Impacted products
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CVE-2026-15981 (GCVE-0-2026-15981)
Vulnerability from cvelistv5 – Published: 2026-07-23 20:33 – Updated: 2026-07-24 22:06
VLAI
EPSS
VEX
Title
SAML Single Sign On <= 5.4.4 - Unauthenticated Authentication Bypass via SAMLResponse Parameter
Summary
The SAML Single Sign On – SSO Login plugin for WordPress is vulnerable to Authentication Bypass in all versions up to, and including, 5.4.4. This is due to the mo_saml_validate_signature() function performing a loose boolean check on the raw tri-state integer returned by PHP's openssl_verify(), causing an error return value of -1 to be evaluated as truthy and therefore treated as a successful signature verification. This makes it possible for unauthenticated attackers to log in as any existing WordPress user, including administrators, by submitting a crafted SAMLResponse containing an attacker-controlled NameID and a deliberately malformed signature value that triggers an OpenSSL processing error — bypassing verification entirely and resulting in wp_set_auth_cookie() being called for the targeted account.
Severity
9.8 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-24 22:05 UTC
CWE
- CWE-287 - Improper Authentication
Assigner
Wordfence
CNA
References
7 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| cyberlord92 | SAML Single Sign On – SSO Login |
Affected:
0 , ≤ 5.4.4
(semver)
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CVE-2026-15557 (GCVE-0-2026-15557)
Vulnerability from cvelistv5 – Published: 2026-07-13 09:30 – Updated: 2026-07-13 18:11
VLAI
EPSS
VEX
Title
waooAI waoowaoo Internal Task Header api-auth.ts requireProjectAuthLight improper authentication
Summary
A weakness has been identified in waooAI waoowaoo up to 0.4.1. Affected by this vulnerability is the function getInternalTaskSession/getAuthSession/requireUserAuth/requireProjectAuth/requireProjectAuthLight in the library src/lib/api-auth.ts of the component Internal Task Header Handler. This manipulation of the argument x-internal-user-id request causes improper authentication. Remote exploitation of the attack is possible. The exploit has been made available to the public and could be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-13 18:07 UTC
CWE
- CWE-287 - Improper Authentication
Assigner
VulDB
CNA
References
6 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/377906 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/377906/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-15557 | third-party-advisory |
| https://vuldb.com/submit/855187 | third-party-advisory |
| https://github.com/waooAI/waoowaoo/issues/200 | exploitissue-tracking |
| https://github.com/waooAI/waoowaoo/ | product |
Impacted products
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CVE-2026-15542 (GCVE-0-2026-15542)
Vulnerability from cvelistv5 – Published: 2026-07-13 07:00 – Updated: 2026-07-15 14:10
VLAI
EPSS
VEX
Title
will-moss Isaiah Websocket Connection Authentication main.go improper authentication
Summary
A vulnerability has been found in will-moss Isaiah up to 1.36.9. This affects an unknown function of the file app/main.go of the component Websocket Connection Authentication. The manipulation leads to improper authentication. The attack can be initiated remotely. The pull request to fix this issue awaits acceptance.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-15 14:10 UTC
CWE
- CWE-287 - Improper Authentication
Assigner
VulDB
CNA
References
7 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/377892 | vdb-entry |
| https://vuldb.com/vuln/377892/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-15542 | third-party-advisory |
| https://vuldb.com/submit/855075 | third-party-advisory |
| https://github.com/will-moss/isaiah/issues/33 | issue-tracking |
| https://github.com/will-moss/isaiah/pull/36 | issue-trackingpatch |
| https://github.com/will-moss/isaiah/ | product |
Impacted products
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CVE-2026-15491 (GCVE-0-2026-15491)
Vulnerability from cvelistv5 – Published: 2026-07-12 09:45 – Updated: 2026-07-14 14:41
VLAI
EPSS
VEX
Title
RafyMrX TOKO-ONLINE-ROTI missing authentication
Summary
A weakness has been identified in RafyMrX TOKO-ONLINE-ROTI up to ddfe1cd587be0a0b5135d8b6e85cce2ec3aece99. This affects an unknown part. This manipulation causes missing authentication. The attack is possible to be carried out remotely. This product adopts a rolling release strategy to maintain continuous delivery. Therefore, version details for affected or updated releases cannot be specified. The vendor was contacted early about this disclosure but did not respond in any way.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-14 14:40 UTC
Assigner
VulDB
CNA
References
4 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/377798 | vdb-entry |
| https://vuldb.com/vuln/377798/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-15491 | third-party-advisory |
| https://vuldb.com/submit/844137 | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| RafyMrX | TOKO-ONLINE-ROTI |
Affected:
ddfe1cd587be0a0b5135d8b6e85cce2ec3aece99
cpe:2.3:a:rafymrx:toko-online-roti:*:*:*:*:*:*:*:* |
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CVE-2026-15459 (GCVE-0-2026-15459)
Vulnerability from cvelistv5 – Published: 2026-08-06 04:26 – Updated: 2026-08-06 14:53
VLAI
EPSS
VEX
Title
WPMU DEV Dashboard <= 5.0.0 - Authentication Bypass to Arbitrary Plugin Installation (Remote Code Execution) via Forged WDP_AUTH HMAC on ?wpmudev-hub= Endpoint
Summary
The WPMU DEV Dashboard plugin for WordPress is vulnerable to Authentication Bypass in all versions up to, and including, 5.0.0. On sites not yet connected to the WPMU DEV Hub — the default state after installation — the site API key that keys the WDP-AUTH request signature is empty, making the signature verified by validate_hash() trivially forgeable; version 5.0.0 additionally removed the replay check in validate_nonce(), and the remote handler is bound to the public init hook with no capability check. This makes it possible for unauthenticated attackers to invoke privileged Hub actions — including installing and activating a plugin from an attacker-supplied URL (resulting in remote code execution), deleting plugins and themes, upgrading WordPress core, or logging in as an administrator via SSO. Sites connected to a WPMU DEV account, which have a non-empty 64-character API key, are not affected.
Severity
8.1 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-06 14:52 UTC
CWE
- CWE-287 - Improper Authentication
Assigner
Wordfence
CNA
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| wpmudev | WPMU DEV Dashboard |
Affected:
0 , ≤ 5.0.0
(semver)
|
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Mitigation
Architecture and Design
Strategy: Libraries or Frameworks
Use an authentication framework or library such as the OWASP ESAPI Authentication feature.
CAPEC-114: Authentication Abuse
An attacker obtains unauthorized access to an application, service or device either through knowledge of the inherent weaknesses of an authentication mechanism, or by exploiting a flaw in the authentication scheme's implementation. In such an attack an authentication mechanism is functioning but a carefully controlled sequence of events causes the mechanism to grant access to the attacker.
CAPEC-115: Authentication Bypass
An attacker gains access to application, service, or device with the privileges of an authorized or privileged user by evading or circumventing an authentication mechanism. The attacker is therefore able to access protected data without authentication ever having taken place.
CAPEC-151: Identity Spoofing
Identity Spoofing refers to the action of assuming (i.e., taking on) the identity of some other entity (human or non-human) and then using that identity to accomplish a goal. An adversary may craft messages that appear to come from a different principle or use stolen / spoofed authentication credentials.
CAPEC-194: Fake the Source of Data
An adversary takes advantage of improper authentication to provide data or services under a falsified identity. The purpose of using the falsified identity may be to prevent traceability of the provided data or to assume the rights granted to another individual. One of the simplest forms of this attack would be the creation of an email message with a modified "From" field in order to appear that the message was sent from someone other than the actual sender. The root of the attack (in this case the email system) fails to properly authenticate the source and this results in the reader incorrectly performing the instructed action. Results of the attack vary depending on the details of the attack, but common results include privilege escalation, obfuscation of other attacks, and data corruption/manipulation.
CAPEC-22: Exploiting Trust in Client
An attack of this type exploits vulnerabilities in client/server communication channel authentication and data integrity. It leverages the implicit trust a server places in the client, or more importantly, that which the server believes is the client. An attacker executes this type of attack by communicating directly with the server where the server believes it is communicating only with a valid client. There are numerous variations of this type of attack.
CAPEC-57: Utilizing REST's Trust in the System Resource to Obtain Sensitive Data
This attack utilizes a REST(REpresentational State Transfer)-style applications' trust in the system resources and environment to obtain sensitive data once SSL is terminated.
CAPEC-593: Session Hijacking
This type of attack involves an adversary that exploits weaknesses in an application's use of sessions in performing authentication. The adversary is able to steal or manipulate an active session and use it to gain unathorized access to the application.
CAPEC-633: Token Impersonation
An adversary exploits a weakness in authentication to create an access token (or equivalent) that impersonates a different entity, and then associates a process/thread to that that impersonated token. This action causes a downstream user to make a decision or take action that is based on the assumed identity, and not the response that blocks the adversary.
CAPEC-650: Upload a Web Shell to a Web Server
By exploiting insufficient permissions, it is possible to upload a web shell to a web server in such a way that it can be executed remotely. This shell can have various capabilities, thereby acting as a "gateway" to the underlying web server. The shell might execute at the higher permission level of the web server, providing the ability the execute malicious code at elevated levels.
CAPEC-94: Adversary in the Middle (AiTM)
An adversary targets the communication between two components (typically client and server), in order to alter or obtain data from transactions. A general approach entails the adversary placing themself within the communication channel between the two components.