CWE-347
AllowedImproper Verification of Cryptographic Signature
Abstraction: Base · Status: Draft
The product does not verify, or incorrectly verifies, the cryptographic signature for data.
1127 vulnerabilities reference this CWE, most recent first.
CVE-2026-15013 (GCVE-0-2026-15013)
Vulnerability from cvelistv5 – Published: 2026-07-16 03:44 – Updated: 2026-07-16 12:45- CWE-347 - Improper Verification of Cryptographic Signature
| Vendor | Product | Version | |
|---|---|---|---|
| cyberlord92 | SAML Single Sign On – SSO Login |
Affected:
0 , ≤ 5.4.3
(semver)
|
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CVE-2026-13743 (GCVE-0-2026-13743)
Vulnerability from cvelistv5 – Published: 2026-07-02 18:35 – Updated: 2026-07-02 19:07- CWE-347 - Improper verification of cryptographic signature
| URL | Tags |
|---|---|
| https://www.cisa.gov/news-events/ics-advisories/i… | government-resource |
| Vendor | Product | Version | |
|---|---|---|---|
| CubeSpace | CW0057 Reaction Wheel |
Affected:
0 , < 5.0.20
(custom)
|
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CVE-2026-13722 (GCVE-0-2026-13722)
Vulnerability from cvelistv5 – Published: 2026-07-02 23:06 – Updated: 2026-07-07 03:56- CWE-347 - Improper Verification of Cryptographic Signature
| URL | Tags |
|---|---|
| https://www.watchguard.com/wgrd-psirt/advisory/wg… | vendor-advisory |
| Vendor | Product | Version | |
|---|---|---|---|
| WatchGuard | Fireware OS |
Affected:
11.0 , ≤ 11.12.4+541730
(semver)
Affected: 12.0 , ≤ 12.12 (semver) Affected: 12.5 , ≤ 12.5.18 (semver) Affected: 2025.1 , ≤ 2026.2 (semver) |
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CVE-2026-11800 (GCVE-0-2026-11800)
Vulnerability from cvelistv5 – Published: 2026-06-25 20:57 – Updated: 2026-07-15 01:23- CWE-347 - Improper Verification of Cryptographic Signature
| URL | Tags |
|---|---|
| https://access.redhat.com/errata/RHSA-2026:30083 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:30084 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/security/cve/CVE-2026-11800 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2487006 | issue-trackingx_refsource_REDHAT |
| https://security.access.redhat.com/data/csaf/v2/v… | x_sadp-csaf-vex |
| Vendor | Product | Version | |
|---|---|---|---|
| Red Hat | Red Hat build of Keycloak 26.6 |
Unaffected:
26.6.4-2 , < *
(rpm)
cpe:/a:redhat:build_keycloak:26.6::el9 |
|
| Red Hat | Red Hat build of Keycloak 26.6 |
Unaffected:
26.6-8 , < *
(rpm)
cpe:/a:redhat:build_keycloak:26.6::el9 |
|
| Red Hat | Red Hat build of Keycloak 26.6.4 |
cpe:/a:redhat:build_keycloak:26.6::el9 |
|
| Red Hat | Red Hat Build of Keycloak |
cpe:/a:redhat:build_keycloak: |
|
| Red Hat | Red Hat Data Grid 8 |
cpe:/a:redhat:jboss_data_grid:8 |
|
| Red Hat | Red Hat JBoss Enterprise Application Platform Expansion Pack |
cpe:/a:redhat:jbosseapxp |
|
| Red Hat | Red Hat Single Sign-On 7 |
cpe:/a:redhat:red_hat_single_sign_on:7 |
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CVE-2026-11348 (GCVE-0-2026-11348)
Vulnerability from cvelistv5 – Published: 2026-07-07 11:11 – Updated: 2026-07-07 13:23- CWE-347 - Improper verification of cryptographic signature
| URL | Tags |
|---|---|
| https://siberguvenlik.gov.tr/guvenlik-bildirimler… | government-resource |
| Vendor | Product | Version | |
|---|---|---|---|
| HAVELSAN Inc. | Liman MYS |
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CVE-2026-10795 (GCVE-0-2026-10795)
Vulnerability from cvelistv5 – Published: 2026-06-11 05:34 – Updated: 2026-06-11 14:37- CWE-347 - Improper Verification of Cryptographic Signature
| Vendor | Product | Version | |
|---|---|---|---|
| davidanderson | UpdraftPlus: WP Backup & Migration Plugin |
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CVE-2026-9793 (GCVE-0-2026-9793)
Vulnerability from cvelistv5 – Published: 2026-05-28 03:44 – Updated: 2026-05-30 01:53- CWE-347 - Improper Verification of Cryptographic Signature
| URL | Tags |
|---|---|
| https://access.redhat.com/security/cve/CVE-2026-9793 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2482460 | issue-trackingx_refsource_REDHAT |
| Vendor | Product | Version | |
|---|---|---|---|
| Red Hat | Red Hat Build of Keycloak |
cpe:/a:redhat:build_keycloak: |
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CVE-2026-9779 (GCVE-0-2026-9779)
Vulnerability from cvelistv5 – Published: 2026-06-24 21:37 – Updated: 2026-06-25 13:10- CWE-347 - Improper Verification of Cryptographic Signature
| URL | Tags |
|---|---|
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CVE-2026-9027 (GCVE-0-2026-9027)
Vulnerability from cvelistv5 – Published: 2026-07-09 09:31 – Updated: 2026-07-09 14:39- CWE-347 - Improper Verification of Cryptographic Signature
| Vendor | Product | Version | |
|---|---|---|---|
| corvusinfo | CorvusPay WooCommerce Payment Gateway |
Affected:
0 , ≤ 2.7.4
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CVE-2026-7689 (GCVE-0-2026-7689)
Vulnerability from cvelistv5 – Published: 2026-05-03 09:30 – Updated: 2026-05-04 13:07 X_Open Source| URL | Tags |
|---|---|
| https://vuldb.com/vuln/360859 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/360859/cti | signaturepermissions-required |
| https://vuldb.com/submit/801794 | third-party-advisory |
| https://gist.github.com/Shaon-Xis/d6ae069fc54f006… | exploit |
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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.