Common Weakness Enumeration
CWE-347
AllowedImproper Verification of Cryptographic Signature
Abstraction: Base · Status: Draft
The product does not verify, or incorrectly verifies, the cryptographic signature for data.
688 vulnerabilities reference this CWE, most recent first.
CVE-2026-123798 (GCVE-0-2026-123798)
Vulnerability from cvelistv5 – Published: 2026-11-09 18:04 – Updated: 2026-11-09 18:04
VLAI
EPSS
VEX
Title
SuperTokens Core: SAML XML Signature Wrapping authentication bypass — any IdP user can authenticate as any other user
Summary
SuperTokens Core is an open source authentication server. From 11.3.0 until 11.3.7, 11.4.7, and 12.0.10, SAML.verifySamlResponseSignature calls OpenSAML SignatureValidator.validate without first applying SAMLSignatureProfileValidator. The Core can therefore accept a cryptographically valid signature that references a different XML element from the Response or Assertion whose NameID and attributes are used for authentication. An ordinary user of the configured identity provider can move a genuinely signed element elsewhere in the document while supplying an attacker-authored identity-bearing element, causing XML Signature Wrapping authentication as another IdP user. Both response-level and assertion-level signing paths are affected, and SP-initiated login remains reachable without enabling allowIDPInitiatedLogin. This issue is fixed in versions 11.3.7, 11.4.7, and 12.0.10.
Severity
8.1 (High)
Assigner
GitHub_M
CNA
References
7 references
| URL | Tags |
|---|---|
| https://github.com/supertokens/supertokens-core/s… | x_refsource_CONFIRM |
| https://github.com/supertokens/supertokens-core/c… | x_refsource_MISC |
| https://github.com/supertokens/supertokens-core/c… | x_refsource_MISC |
| https://github.com/supertokens/supertokens-core/c… | x_refsource_MISC |
| https://github.com/supertokens/supertokens-core/r… | x_refsource_MISC |
| https://github.com/supertokens/supertokens-core/r… | x_refsource_MISC |
| https://github.com/supertokens/supertokens-core/r… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| supertokens | supertokens-core |
Affected:
>= 12.0.6, < 12.0.10
Affected: >= 11.4.0, < 11.4.7 Affected: >= 11.3.0, < 11.3.7 |
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CVE-2026-123605 (GCVE-0-2026-123605)
Vulnerability from cvelistv5 – Published: 2026-11-08 01:38 – Updated: 2026-11-08 01:38
VLAI
EPSS
VEX
Title
Hickory DNS through 0.25.0-alpha.3 DNSSEC Validation Bypass via RRSIG Signer's Name
Summary
Hickory DNS hickory-proto 0.1 through 0.25.0-alpha.3 and hickory-net before 0.26.2 contain a DNSSEC validation bypass because the validator verifies an RRSIG against the DNSKEY of whatever name appears in its Signer's Name field without checking that this name is the zone containing the RRset. Attackers controlling any secure zone can produce valid signatures over arbitrary records in unrelated zones, which resolvers, recursors, and clients using DnssecDnsHandle accept as authenticated.
Severity
CWE
- CWE-347 - Improper Verification of Cryptographic Signature
Assigner
VulnCheck
CNA
References
2 references
| URL | Tags |
|---|---|
| https://github.com/hickory-dns/hickory-dns/securi… | vendor-advisory |
| https://www.vulncheck.com/advisories/hickory-dns-… | third-party-advisory |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| hickory-dns | hickory-dns |
Affected:
0.1 , ≤ 0.25.0-alpha.3
(custom)
|
|
| hickory-dns | hickory-dns |
Affected:
0.26.0-beta.1 , < 0.26.2
(semver)
Unaffected: 0.26.2 (semver) |
Date Public
2026-09-03 00:00
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CVE-2026-123590 (GCVE-0-2026-123590)
Vulnerability from cvelistv5 – Published: 2026-11-08 01:38 – Updated: 2026-11-09 13:51
VLAI
EPSS
VEX
Title
Hickory DNS 0.26.0-beta.1 before 0.26.2 Improper NSEC/NSEC3 Signature Validation
Summary
Hickory DNS hickory-net 0.26.0-beta.1 before 0.26.2 and hickory-proto through 0.26.0-alpha.1 accept NSEC and NSEC3 records for DNSSEC nonexistence proofs when any other record with the same owner name passes signature validation. Attackers able to supply DNS responses can mix validly signed records with bogus same-name NSEC or NSEC3 records of different types in the authority section to forge nonexistence proofs.
Severity
4.8 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-11-09 13:50 UTC
CWE
- CWE-347 - Improper Verification of Cryptographic Signature
Assigner
VulnCheck
CNA
References
2 references
| URL | Tags |
|---|---|
| https://github.com/hickory-dns/hickory-dns/securi… | vendor-advisory |
| https://www.vulncheck.com/advisories/hickory-dns-… | third-party-advisory |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| hickory-dns | hickory-dns |
Affected:
0.26.0-beta.1 , < 0.26.2
(semver)
Unaffected: 0.26.2 (semver) |
|
| hickory-dns | hickory-dns |
Affected:
0 , ≤ 0.26.0-alpha.1
(semver)
|
Date Public
2026-09-03 00:00
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CVE-2026-123538 (GCVE-0-2026-123538)
Vulnerability from cvelistv5 – Published: 2026-11-08 01:37 – Updated: 2026-11-09 13:57
VLAI
EPSS
VEX
Title
OpenAM before 16.1.4 SAML 1.x Signature Verification Issuer Impersonation
Summary
OpenAM before 16.1.4 does not verify that a signed SAML 1.x assertion or response was signed by the partner named as its issuer, accepting a signature from any certificate in OpenAM's keystore. An attacker holding such a private key, such as a trusted SAML 1.x partner, can forge assertions claiming another partner's issuer and sign in as that partner's users, including privileged ones.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-11-09 13:57 UTC
CWE
- CWE-347 - Improper Verification of Cryptographic Signature
Assigner
VulnCheck
CNA
References
2 references
| URL | Tags |
|---|---|
| https://github.com/OpenIdentityPlatform/OpenAM/se… | vendor-advisory |
| https://www.vulncheck.com/advisories/openam-befor… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| OpenIdentityPlatform | OpenAM |
Affected:
0 , < 16.1.4
(semver)
Unaffected: 16.1.4 (semver) cpe:2.3:a:openidentityplatform:openam:*:*:*:*:*:*:*:* |
Date Public
2026-10-22 00:00
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CVE-2026-122267 (GCVE-0-2026-122267)
Vulnerability from cvelistv5 – Published: 2026-11-05 22:00 – Updated: 2026-11-05 22:00
VLAI
EPSS
VEX
Summary
MinIO Signature V4 verification before RELEASE.2026-09-22T19-25-18Z accepts unsigned x-amz-* headers, letting a presigned PUT URL be escalated into a cross-bucket read.
Severity
CWE
- CWE-347 - Improper verification of cryptographic signature
Assigner
chainguard
CNA
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Chainguard | MinIO |
Affected:
0 , ≤ RELEASE.2026-09-21T00-15-41Z
(custom)
|
Date Public
2026-11-05 21:43
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CVE-2026-121970 (GCVE-0-2026-121970)
Vulnerability from cvelistv5 – Published: 2026-11-04 13:01 – Updated: 2026-11-04 18:47 X_Open Source
VLAI
EPSS
VEX
Title
Pay with Vipps and MobilePay for WooCommerce before 6.4.1 Webhook Signature Forgery
Summary
Pay with Vipps and MobilePay for WooCommerce (woo-vipps) before 6.4.1 contains an improper cryptographic signature verification vulnerability in the recurring-payment webhook handler that allows unauthenticated attackers to forge webhook requests when no local webhook secret is stored, because the code fails to return on an empty secret and computes an HMAC keyed with an empty string using a loose == comparison instead of hash_equals. Attackers can craft a recurring.agreement-stopped.v1 event with a known agreementId and a matching empty-key signature to cancel a victim's active WooCommerce subscription.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-11-04 18:46 UTC
CWE
- CWE-347 - Improper Verification of Cryptographic Signature
Assigner
VulnCheck
CNA
References
4 references
| URL | Tags |
|---|---|
| https://wordpress.org/plugins/woo-vipps/#developers | patchrelease-notes |
| https://plugins.trac.wordpress.org/browser/woo-vi… | |
| https://plugins.trac.wordpress.org/browser/woo-vi… | |
| https://www.vulncheck.com/advisories/pay-with-vip… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| wphostingdev | Pay with Vipps and MobilePay for WooCommerce |
Affected:
5.0.0 , < 6.4.1
(semver)
cpe:2.3:a:wphostingdev:pay_with_vipps_and_mobilepay_for_woocommerce:*:*:*:*:*:*:*:* |
Date Public
2026-11-03 00:00
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CVE-2026-121606 (GCVE-0-2026-121606)
Vulnerability from cvelistv5 – Published: 2026-11-04 01:00 – Updated: 2026-11-09 16:01
VLAI
EPSS
VEX
Title
Qihoo 360 D621-2/D603-2/D600-2/D619/D606-6/D706 Firmware Signature Verification iscm verify_sign signature verification
Summary
A vulnerability has been found in Qihoo 360 D621-2, D603-2, D600-2, D619, D606-6 and D706 up to 6.4.9. Affected by this issue is the function verify_sign of the file fs2/bin/iscm of the component Firmware Signature Verification. Such manipulation of the argument sign leads to improper verification of cryptographic signature. The attack can be launched 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: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-11-09 16:00 UTC
CWE
Assigner
VulDB
CNA
References
5 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/430443 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/430443/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-121606 | third-party-advisory |
| https://vuldb.com/submit/1023261 | third-party-advisory |
| https://gist.github.com/gajgdm6-cpu/cf98af20ddb77… | exploit |
Impacted products
6 products
| Vendor | Product | Version | |
|---|---|---|---|
| Qihoo 360 | D621-2 |
Affected:
6.4.0
Affected: 6.4.1 Affected: 6.4.2 Affected: 6.4.3 Affected: 6.4.4 Affected: 6.4.5 Affected: 6.4.6 Affected: 6.4.7 Affected: 6.4.8 Affected: 6.4.9 cpe:2.3:a:qihoo_360:d621-2:*:*:*:*:*:*:*:* |
|
| Qihoo 360 | D603-2 |
Affected:
6.4.0
Affected: 6.4.1 Affected: 6.4.2 Affected: 6.4.3 Affected: 6.4.4 Affected: 6.4.5 Affected: 6.4.6 Affected: 6.4.7 Affected: 6.4.8 Affected: 6.4.9 cpe:2.3:a:qihoo_360:d603-2:*:*:*:*:*:*:*:* |
|
| Qihoo 360 | D600-2 |
Affected:
6.4.0
Affected: 6.4.1 Affected: 6.4.2 Affected: 6.4.3 Affected: 6.4.4 Affected: 6.4.5 Affected: 6.4.6 Affected: 6.4.7 Affected: 6.4.8 Affected: 6.4.9 cpe:2.3:a:qihoo_360:d600-2:*:*:*:*:*:*:*:* |
|
| Qihoo 360 | D619 |
Affected:
6.4.0
Affected: 6.4.1 Affected: 6.4.2 Affected: 6.4.3 Affected: 6.4.4 Affected: 6.4.5 Affected: 6.4.6 Affected: 6.4.7 Affected: 6.4.8 Affected: 6.4.9 cpe:2.3:a:qihoo_360:d619:*:*:*:*:*:*:*:* |
|
| Qihoo 360 | D606-6 |
Affected:
6.4.0
Affected: 6.4.1 Affected: 6.4.2 Affected: 6.4.3 Affected: 6.4.4 Affected: 6.4.5 Affected: 6.4.6 Affected: 6.4.7 Affected: 6.4.8 Affected: 6.4.9 cpe:2.3:a:qihoo_360:d606-6:*:*:*:*:*:*:*:* |
|
| Qihoo 360 | D706 |
Affected:
6.4.0
Affected: 6.4.1 Affected: 6.4.2 Affected: 6.4.3 Affected: 6.4.4 Affected: 6.4.5 Affected: 6.4.6 Affected: 6.4.7 Affected: 6.4.8 Affected: 6.4.9 cpe:2.3:a:qihoo_360:d706:*:*:*:*:*:*:*:* |
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CVE-2026-120459 (GCVE-0-2026-120459)
Vulnerability from cvelistv5 – Published: 2026-11-02 14:29 – Updated: 2026-11-09 14:01
VLAI
EPSS
VEX
Title
python-jose through 3.5.0 Authentication Bypass via Empty HMAC Key
Summary
python-jose through 3.5.0 contains an authentication bypass vulnerability that allows unauthenticated attackers to forge JWTs because HMACKey and CryptographyHMACKey accept zero-length HMAC secrets. When an application's HS256/HS384/HS512 verification key resolves to empty, such as an oct JWK with empty k, attackers can forge tokens with arbitrary claims that jwt.decode accepts.
Severity
7.4 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-11-09 14:01 UTC
CWE
- CWE-347 - Improper Verification of Cryptographic Signature
Assigner
VulnCheck
CNA
References
4 references
| URL | Tags |
|---|---|
| https://github.com/mpdavis/python-jose/issues/398 | issue-tracking |
| https://github.com/mpdavis/python-jose/blob/3.5.0… | technical-description |
| https://github.com/mpdavis/python-jose/blob/3.5.0… | technical-description |
| https://www.vulncheck.com/advisories/python-jose-… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| mpdavis | python-jose |
Affected:
0 , ≤ 3.5.0
(semver)
cpe:2.3:a:python-jose_project:python-jose:*:*:*:*:*:*:*:* |
Date Public
2026-03-08 00:00
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CVE-2026-120017 (GCVE-0-2026-120017)
Vulnerability from cvelistv5 – Published: 2026-11-10 00:43 – Updated: 2026-11-10 00:43
VLAI
EPSS
VEX
Title
Missing Authentication in SAP NetWeaver AS ABAP and ABAP Platform (SAML2 Service Provider)
Summary
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Severity
10 (Critical)
CWE
- CWE-347 - Improper Verification of Cryptographic Signature
Assigner
sap
CNA
References
2 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| SAP_SE | SAP NetWeaver AS ABAP and ABAP Platform (SAML2 Service Provider) |
Affected:
SAP_BASIS 702
Affected: SAP_BASIS 731 Affected: SAP_BASIS 740 Affected: SAP_BASIS 750 Affected: SAP_BASIS 751 Affected: SAP_BASIS 752 Affected: SAP_BASIS 753 Affected: SAP_BASIS 754 Affected: SAP_BASIS 755 Affected: SAP_BASIS 756 Affected: SAP_BASIS 757 Affected: SAP_BASIS 758 Affected: SAP_BASIS 816 Affected: SAP_BASIS 920 Affected: SAP_BASIS 921 Affected: SAP_BASIS 922 |
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CVE-2026-119561 (GCVE-0-2026-119561)
Vulnerability from cvelistv5 – Published: 2026-10-30 11:31 – Updated: 2026-10-30 16:21
VLAI
EPSS
VEX
Title
phpMyAdmin through 5.2.3 WebAuthn Two-Factor Authentication Bypass via CustomServer
Summary
phpMyAdmin through 5.2.3 contains an authentication bypass vulnerability in CustomServer::parseAndValidateAssertionResponse() that never verifies WebAuthn assertion signatures against stored public keys. Attackers holding a victim's MySQL credentials can POST a crafted webauthn_request_response with matching challenge, origin, and rpIdHash to bypass the second factor and gain database privileges.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-30 16:21 UTC
CWE
- CWE-347 - Improper Verification of Cryptographic Signature
Assigner
VulnCheck
CNA
References
5 references
| URL | Tags |
|---|---|
| https://github.com/phpmyadmin/phpmyadmin/blob/REL… | technical-description |
| https://abraxaslabs.tech/research/PMA-5.2.3-WebAu… | third-party-advisory |
| https://abraxaslabs.tech/research/phpmyadmin-webauthn | third-party-advisory |
| https://github.com/phpmyadmin/phpmyadmin | product |
| https://www.vulncheck.com/advisories/phpmyadmin-t… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| phpMyAdmin | phpMyAdmin |
Affected:
0 , ≤ 5.2.3
(semver)
cpe:2.3:a:phpmyadmin:phpmyadmin:*:*:*:*:*:*:*:* |
Date Public
2026-09-20 00:00
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No mitigation information available for this CWE.
CAPEC-463: Padding Oracle Crypto Attack
An adversary is able to efficiently decrypt data without knowing the decryption key if a target system leaks data on whether or not a padding error happened while decrypting the ciphertext. A target system that leaks this type of information becomes the padding oracle and an adversary is able to make use of that oracle to efficiently decrypt data without knowing the decryption key by issuing on average 128*b calls to the padding oracle (where b is the number of bytes in the ciphertext block). In addition to performing decryption, an adversary is also able to produce valid ciphertexts (i.e., perform encryption) by using the padding oracle, all without knowing the encryption key.
CAPEC-475: Signature Spoofing by Improper Validation
An adversary exploits a cryptographic weakness in the signature verification algorithm implementation to generate a valid signature without knowing the key.