Common Weakness Enumeration

CWE-307

Allowed

Improper Restriction of Excessive Authentication Attempts

Abstraction: Base · Status: Draft

The product does not implement sufficient measures to prevent multiple failed authentication attempts within a short time frame.

487 vulnerabilities reference this CWE, most recent first.

CVE-2026-73046 (GCVE-0-2026-73046)

Vulnerability from cvelistv5 – Published: 2026-08-15 21:44 – Updated: 2026-08-17 17:33

Title

SiYuan before v3.7.4 Authentication Bypass via HTTP Basic Auth

Summary

SiYuan before v3.7.4 improperly restricts excessive authentication attempts in the CheckAuth() middleware. The HTTP Basic Authentication branch, which guards nearly the entire /api/* surface, accepts the workspace access code (Conf.AccessAuthCode) as the Basic Auth password but never consults the CAPTCHA/lockout gate or increments the failure counter used by the cookie/session login path. This allows unauthenticated remote attackers to brute-force the admin access code with unlimited automated requests and obtain full RoleAdministrator access to the kernel. A secondary weakness exists because the access code is compared using a non-constant-time string comparison.

Severity

9.3 (Critical)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

9.8 (Critical)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

SSVC

Exploitation: poc Automatable: yes Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-08-17 17:32 UTC

CWE

CWE-307 - Improper Restriction of Excessive Authentication Attempts

Assigner

VulnCheck CNA

References

2 references

URL	Tags
https://github.com/siyuan-note/siyuan/security/ad…	vendor-advisory
https://www.vulncheck.com/advisories/siyuan-befor…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version
siyuan-note	siyuan	Affected: 0 , < 3.7.4 (semver) Unaffected: 3.7.4 (semver) cpe:2.3:a:b3log:siyuan::::::::

Date Public

2026-08-01 00:00

Credits

alham-rizvi

Show details on NVD website

JSON

To clipboard

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CVE-2026-73045 (GCVE-0-2026-73045)

Vulnerability from cvelistv5 – Published: 2026-08-15 21:44 – Updated: 2026-08-18 02:21

Title

SiYuan before 3.7.4 Brute-Force via authFilePublishAccess

Summary

SiYuan before 3.7.4 contains an improper restriction of excessive authentication attempts vulnerability in the authFilePublishAccess endpoint that allows unauthenticated attackers to brute-force per-notebook publish passwords. Attackers can submit unbounded password guesses without rate limiting or CAPTCHA to gain access to password-protected published notebooks.

Severity

8.7 (High)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

SSVC

Exploitation: poc Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-08-18 02:20 UTC

CWE

CWE-307 - Improper Restriction of Excessive Authentication Attempts

Assigner

VulnCheck CNA

References

2 references

URL	Tags
https://github.com/siyuan-note/siyuan/security/ad…	vendor-advisory
https://www.vulncheck.com/advisories/siyuan-befor…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version
siyuan-note	siyuan	Affected: 0 , < 3.7.4 (semver) Unaffected: 3.7.4 (semver) cpe:2.3:a:b3log:siyuan::::::::

Date Public

2026-08-01 00:00

Credits

alham-rizvi

Show details on NVD website

JSON

To clipboard

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CVE-2026-71213 (GCVE-0-2026-71213)

Vulnerability from cvelistv5 – Published: 2026-08-05 06:59 – Updated: 2026-08-10 11:45

Title

typemill - No Rate Limiting on Login Endpoint Enables Unlimited Password Brute-Force

Summary

Typemill's login endpoint (POST /tm/login, ControllerWebAuth::login) performs no rate-limiting, failed-attempt counting, or account lockout when captcha is disabled, which is the default configuration. An unauthenticated attacker can send unlimited password-guessing requests against any account, including administrators, with no throttling.

Severity

9.1 (Critical)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

SSVC

Exploitation: none Automatable: yes Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-08-05 13:27 UTC

CWE

CWE-307 - Improper Restriction of Excessive Authentication Attempts

Assigner

TuranSec CNA

References

1 reference

URL	Tags
https://github.com/typemill/typemill	third-party-advisory

Impacted products

1 product

Vendor	Product	Version
typemill	typemill	Affected: 0 , ≤ 2.25.0 (custom)

Date Public

2026-08-05 06:59

Credits

Shaxriyor Abdullayev

Show details on NVD website

JSON

To clipboard

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CVE-2026-71205 (GCVE-0-2026-71205)

Vulnerability from cvelistv5 – Published: 2026-08-05 06:59 – Updated: 2026-08-10 11:45

Title

changedetection.io - No Rate Limiting on /login Enables Unlimited Password Brute-Force

Summary

changedetection.io's /login route checks the submitted password against a single PBKDF2-HMAC-SHA256 hash with no per-IP or per-session rate limiting, failed-attempt counter, or lockout (no rate-limiting library is present in requirements.txt).

Severity

6.5 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-08-05 13:18 UTC

CWE

CWE-307 - Improper Restriction of Excessive Authentication Attempts

Assigner

TuranSec CNA

References

1 reference

URL	Tags
https://github.com/dgtlmoon/changedetection.io	third-party-advisory

Impacted products

1 product

Vendor	Product	Version
dgtlmoon	changedetection.io	Affected: 0.55.7

Date Public

2026-08-05 06:59

Credits

Eldor Nabijonov

Show details on NVD website

JSON

To clipboard

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CVE-2026-69193 (GCVE-0-2026-69193)

Vulnerability from cvelistv5 – Published: 2026-10-14 20:34 – Updated: 2026-10-15 15:04

Title

FileRise: Rate Limiting Bypass via Username Rotation Enables Unlimited Password Spraying

Summary

FileRise is a self-hosted web-based file manager with multi-file upload, editing, and batch operations. Prior to 3.21.0, FileRise tracks failed logins only by the combination of source IP address and username. A remote unauthenticated attacker can rotate usernames to obtain a fresh per-account attempt budget for each name, enabling password spraying from one source beyond the intended limit. Per-user limits still apply and can also produce distinguishable throttling behavior for targeted accounts. The affected surface is AuthModel::getFailedLoginKey(). This issue is fixed in version 3.21.0.

Severity

6.5 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-10-15 13:55 UTC

CWE

CWE-307 - Improper Restriction of Excessive Authentication Attempts

Assigner

GitHub_M CNA

References

3 references

URL	Tags
https://github.com/error311/FileRise/security/adv…	x_refsource_CONFIRM
https://github.com/error311/FileRise/commit/613fd…	x_refsource_MISC
https://github.com/error311/FileRise/releases/tag…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
error311	FileRise	Affected: < 3.21.0

Show details on NVD website

JSON

To clipboard

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CVE-2026-69183 (GCVE-0-2026-69183)

Vulnerability from cvelistv5 – Published: 2026-08-20 16:16 – Updated: 2026-08-20 17:14

Title

Monkeytype: Rate-limit and anti-brute-force controls bypassable via spoofed HTTP headers (forgotPasswordEmail/verificationEmail mail bombing and badAuth bypass)

Summary

Monkeytype is a minimalistic and customizable typing test. In 26.26.0 and earlier, the backend rate-limit key generator in backend/src/middlewares/rate-limit.ts uses client-controlled cf-connecting-ip and x-forwarded-for headers before the trust-proxy-derived req.ip value. An unauthenticated attacker can rotate either header to create a new bucket for each request, bypassing rootRateLimiter, badAuthRateLimiter, getKey(), and the getKeyWithUid() fallback used by public endpoints. This permits repeated POST /users/forgotPasswordEmail and verificationEmail requests, mail bombing registered users, consuming Firebase or SMTP quota, evading brute-force protection, and enabling resource exhaustion. Exploitability of cf-connecting-ip depends on deployment topology, but x-forwarded-for and direct-to-origin paths remain affected when those values are not overwritten by a trusted proxy. No fixed version is available as of this review.

Severity

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

SSVC

Exploitation: poc Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-08-20 17:13 UTC

CWE

CWE-290 - Authentication Bypass by Spoofing
CWE-307 - Improper Restriction of Excessive Authentication Attempts
CWE-644 - Improper Neutralization of HTTP Headers for Scripting Syntax

Assigner

GitHub_M CNA

References

1 reference

URL	Tags
https://github.com/monkeytypegame/monkeytype/secu…	x_refsource_CONFIRM

Impacted products

1 product

Vendor	Product	Version
monkeytypegame	monkeytype	Affected: <= 26.26.0

Show details on NVD website

JSON

To clipboard

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CVE-2026-68933 (GCVE-0-2026-68933)

Vulnerability from cvelistv5 – Published: 2026-11-06 21:13 – Updated: 2026-11-09 13:30

Title

Chartbrew: Unauthenticated Brute Force of Password-Protected Dashboards Due to Missing Rate Limit and Plaintext Password Storage

Summary

Chartbrew is an open-source web application that can connect directly to databases and APIs and use the data to create charts. Prior to 5.2.3, public dashboard passwords were stored in plaintext, accepted through a URL query parameter, and checked without effective attempt throttling. The vulnerable surface is public password-protected dashboard storage and validation routes. An unauthenticated attacker targets a public password-protected dashboard and repeatedly submits candidate passwords or obtains password-bearing server or proxy logs. Unlimited online guesses enable brute force, while cleartext storage and URL transport expose the secret in application storage and server or proxy access logs. The target must be a public dashboard with password protection enabled. Even failed attempts reveal chart count and configuration without the password; a recovered password grants access to the protected dashboard and its chart data. This vulnerability is fixed in 5.2.3.

Severity

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

SSVC

Exploitation: poc Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-11-09 13:30 UTC

CWE

CWE-307 - Improper Restriction of Excessive Authentication Attempts
CWE-312 - Cleartext Storage of Sensitive Information

Assigner

GitHub_M CNA

References

3 references

URL	Tags
https://github.com/chartbrew/chartbrew/security/a…	x_refsource_CONFIRM
https://github.com/chartbrew/chartbrew/commit/c08…	x_refsource_MISC
https://github.com/chartbrew/chartbrew/releases/t…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
chartbrew	chartbrew	Affected: < 5.2.3

Show details on NVD website

JSON

To clipboard

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CVE-2026-66987 (GCVE-0-2026-66987)

Vulnerability from cvelistv5 – Published: 2026-11-06 15:37 – Updated: 2026-11-06 15:37

Title

HCL AION is affected by multiple security vulnerabilities.

Summary

HCL AION is affected by a vulnerability where the account lockout mechanism did not sufficiently restrict repeated failed login attempts, allowing an attacker to make a large number of password guesses against a user account. This may increase the risk of account compromise through brute-force attacks, potentially resulting in unintended behavior or security impact under certain conditions.

Severity

5.3 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

CWE

CWE-307 - Improper Restriction of Excessive Authentication Attempts

Assigner

HCL CNA

References

1 reference

URL	Tags
https://support.hcl-software.com/csm?id=kb_articl…

Impacted products

1 product

Vendor	Product	Version
HCL Software	HCL AION	Affected: Version 2.7.0

Show details on NVD website

JSON

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CVE-2026-66340 (GCVE-0-2026-66340)

Vulnerability from cvelistv5 – Published: 2026-08-11 21:20 – Updated: 2026-08-12 12:55

Title

Mira Hormone Monitor, Mira Android App Improper restriction of excessive authentication attempts

Summary

The Mira cloud authentication endpoints do not enforce per-account rate limiting, per-IP throttling, or account lockout after repeated failed login attempts. An attacker can use brute-force methods to obtain gain access to user accounts.

Severity

6.9 (Medium)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

5.3 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-08-12 12:55 UTC

CWE

CWE-307

Assigner

icscert CNA

References

2 references

URL	Tags
https://www.cisa.gov/news-events/ics-medical-advi…
https://github.com/cisagov/CSAF/blob/develop/csaf…

Impacted products

2 products

Vendor	Product	Version
Quanovate Tech Inc. (operating as Mira / Mira Care)	Mira Firmware	Affected: 1.7.1.47 (custom)
Quanovate Tech Inc. (operating as Mira / Mira Care)	Mira Android App	Affected: 4.5.15.4 (custom)

Date Public

2026-08-11 17:00

Credits

Gigi Xiaoqing Liu, Muzzammil Mohammed, Narmina Karimova, and En Mong of Northeastern University SPQR Lab reported this vulnerability to Quanovate Tech.

Show details on NVD website

JSON

To clipboard

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CVE-2026-65948 (GCVE-0-2026-65948)

Vulnerability from cvelistv5 – Published: 2026-08-10 10:20 – Updated: 2026-08-10 19:59

Title

Apache Ranger: UnixAuth lacks brute-force protection

Summary

UnixAuth lacks brute-force protection in Apache Ranger versions <= 2.8.0. Note: UnixAuth is NOT a recommended option for production deployments. Users are recommended to upgrade to version 2.9.0, which fixes this issue.

Severity

7.3 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-08-10 19:59 UTC

CWE

CWE-307 - Improper Restriction of Excessive Authentication Attempts

Assigner

apache CNA

References

2 references

URL	Tags
https://lists.apache.org/thread/cx53rbkxkn5hbvzv8…	vendor-advisory
http://www.openwall.com/lists/oss-security/2026/0…

Impacted products

1 product

Vendor	Product	Version
Apache Software Foundation	Apache Ranger	Affected: 0 , ≤ 2.8.0 (semver)

Credits

Andrew Rukin (Arenadata)

Show details on NVD website

JSON

To clipboard

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Mitigation

Architecture and Design

Common protection mechanisms include:
Disconnecting the user after a small number of failed attempts
Implementing a timeout
Locking out a targeted account
Requiring a computational task on the user's part.

Mitigation MIT-4

Architecture and Design

Strategy: Libraries or Frameworks

Use a vetted library or framework that does not allow this weakness to occur or provides constructs that make this weakness easier to avoid [REF-1482].
Consider using libraries with authentication capabilities such as OpenSSL or the ESAPI Authenticator. [REF-45]

CAPEC-16: Dictionary-based Password Attack

An attacker tries each of the words in a dictionary as passwords to gain access to the system via some user's account. If the password chosen by the user was a word within the dictionary, this attack will be successful (in the absence of other mitigations). This is a specific instance of the password brute forcing attack pattern.

Dictionary Attacks differ from similar attacks such as Password Spraying (CAPEC-565) and Credential Stuffing (CAPEC-600), since they leverage unknown username/password combinations and don't care about inducing account lockouts.

CAPEC-49: Password Brute Forcing

An adversary tries every possible value for a password until they succeed. A brute force attack, if feasible computationally, will always be successful because it will essentially go through all possible passwords given the alphabet used (lower case letters, upper case letters, numbers, symbols, etc.) and the maximum length of the password.

CAPEC-560: Use of Known Domain Credentials

An adversary guesses or obtains (i.e. steals or purchases) legitimate credentials (e.g. userID/password) to achieve authentication and to perform authorized actions under the guise of an authenticated user or service.

CAPEC-565: Password Spraying

In a Password Spraying attack, an adversary tries a small list (e.g. 3-5) of common or expected passwords, often matching the target's complexity policy, against a known list of user accounts to gain valid credentials. The adversary tries a particular password for each user account, before moving onto the next password in the list. This approach assists the adversary in remaining undetected by avoiding rapid or frequent account lockouts. The adversary may then reattempt the process with additional passwords, once enough time has passed to prevent inducing a lockout.

CAPEC-600: Credential Stuffing

An adversary tries known username/password combinations against different systems, applications, or services to gain additional authenticated access. Credential Stuffing attacks rely upon the fact that many users leverage the same username/password combination for multiple systems, applications, and services.

CAPEC-652: Use of Known Kerberos Credentials

An adversary obtains (i.e. steals or purchases) legitimate Kerberos credentials (e.g. Kerberos service account userID/password or Kerberos Tickets) with the goal of achieving authenticated access to additional systems, applications, or services within the domain.

CAPEC-653: Use of Known Operating System Credentials

An adversary guesses or obtains (i.e. steals or purchases) legitimate operating system credentials (e.g. userID/password) to achieve authentication and to perform authorized actions on the system, under the guise of an authenticated user or service. This applies to any Operating System.

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