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.
1140 vulnerabilities reference this CWE, most recent first.
CVE-2026-52754 (GCVE-0-2026-52754)
Vulnerability from cvelistv5 – Published: 2026-06-10 12:40 – Updated: 2026-07-14 21:33 X_Open Source
VLAI
EPSS
VEX
Title
Ghidra < 12.1 - Authentication Bypass via Null Signature in PKIAuthenticationModule
Summary
Ghidra before 12.1 contains an authentication bypass vulnerability in PKIAuthenticationModule.authenticate() that allows any user with a valid CA-signed certificate to impersonate other users by presenting their public certificate with a null signature. Attackers can escalate privileges, modify repository access controls, exfiltrate shared reverse engineering databases, and permanently compromise server integrity.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-347 - Improper Verification of Cryptographic Signature
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/NationalSecurityAgency/ghidra/… | vendor-advisory |
| https://github.com/NationalSecurityAgency/ghidra/… | patch |
| https://github.com/NationalSecurityAgency/ghidra/… | patch |
| https://www.vulncheck.com/advisories/ghidra-authe… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| nationalsecurityagency | ghidra |
Affected:
0 , < 12.1
(custom)
Unaffected: 12.1 (custom) |
Date Public
2026-05-14 00:00
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CVE-2026-50722 (GCVE-0-2026-50722)
Vulnerability from cvelistv5 – Published: 2026-07-02 21:34 – Updated: 2026-07-07 17:02
VLAI
EPSS
VEX
Title
IKEv2 Denial of Service via RSA-SHA1 (PKCS#1 RSASSA-PKCS1-v1_5) authentication payload
Summary
Libreswan, via the function RSA_authenticate_hash_signature_pkcs1_1_5_rsa(), did not correctly verify the DER encoding of the ASN.1 digest when the IKEv2 AUTH payload was encoded using RSASSA-PKCS1-v1_5 (RFC 8017). A remote attacker can use a variation on the Bleichenbacher attack to forge the AUTH payload when small public exponents are used (e.g., e=3), leading to impersonation. Additionally, a remote attacker, by encoding a shorter than expected hash in the AUTH payload, could trigger an assertion leading to denial-of-service. The daemon aborts and restarts; continued exploitation causes sustained denial of service. Remote code execution is not possible. X.509 certificate verifications of the remote IKE peer are not affected.
Severity
7.5 (High)
8.1 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://libreswan.org/security/CVE-2026-50722/CVE… | vendor-advisory |
| https://libreswan.org/security/CVE-2026-50722/ | patch |
| https://libreswan.org/security/CVE-2026-50721/CVE… | related |
| https://www.rfc-editor.org/rfc/rfc8017 | technical-description |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| The Libreswan Project | libreswan |
Affected:
0 , ≤ 5.3
(semver)
Unaffected: 5.3.1 (semver) |
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CVE-2026-50721 (GCVE-0-2026-50721)
Vulnerability from cvelistv5 – Published: 2026-07-02 21:44 – Updated: 2026-07-07 17:01
VLAI
EPSS
VEX
Title
IKEv1 Denial of Service via RSA-SHA1 (PKCS#1 Version 1.5 Encrypted) authentication payload
Summary
Libreswan, via the function RSA_authenticate_hash_signature_raw_rsa(), did not correctly verify the length of the authentication hash when the SIG payload of an IKEv1 packet was encoded using PKCS #1 RSA Encryption as per RFC 2313. A remote attacker can use a variation on the Bleichenbacher attack to forge the SIG payload when small public exponents are being used (e.g., e=3), which could lead to impersonation. Additionally, a remote attacker, by encoding a shorter than expected hash in the SIG payload, could trigger an assertion leading to denial-of-service. The daemon aborts and restarts; continued exploitation causes sustained denial of service. Remote code execution is not possible. X.509 certificate verifications of remote IKE peers are not affected.
Severity
7.5 (High)
8.1 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://libreswan.org/security/CVE-2026-50721/CVE… | vendor-advisory |
| https://libreswan.org/security/CVE-2026-50721/ | patch |
| https://libreswan.org/security/CVE-2026-50722/CVE… | related |
| https://www.rfc-editor.org/rfc/rfc2313 | technical-description |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| The Libreswan Project | libreswan |
Affected:
0 , ≤ 5.3
(semver)
Unaffected: 5.3.1 (semver) |
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CVE-2026-50634 (GCVE-0-2026-50634)
Vulnerability from cvelistv5 – Published: 2026-06-12 09:05 – Updated: 2026-06-12 15:10
VLAI
EPSS
VEX
Title
Apache CXF: WS JSON request filter trusts metadata from an unvalidated first signature entry
Summary
A vulnerability in Apache CXF's JwsJsonContainerRequestFilter can be exploited to cause CXF to process metadata that was not authenticated by the accepted signature. This can bypass the application's assumption
that accepted `Content-Type` or protected HTTP-header metadata came from a verified signature entry, and may steer downstream JAX-RS entity parsing or signed-header consistency checks. Users are recommended to upgrade to versions 4.2.2 or 4.1.7, which fix this issue.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-347 - Improper Verification of Cryptographic Signature
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://lists.apache.org/thread/9nfwh9d3m4kznxrk1… | vendor-advisory |
| http://www.openwall.com/lists/oss-security/2026/0… |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache CXF |
Affected:
4.2.0 , < 4.2.2
(semver)
Affected: 0 , < 4.1.7 (semver) |
Credits
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CVE-2026-50010 (GCVE-0-2026-50010)
Vulnerability from cvelistv5 – Published: 2026-06-12 14:50 – Updated: 2026-07-27 12:05
VLAI
EPSS
VEX
Title
Netty's wrapping plain trust manager silently disables hostname verification
Summary
Netty is a network application framework for development of protocol servers and clients. Prior to versions 4.1.135.Final and 4.2.15.Final, SimpleTrustManagerFactory.engineGetTrustManagers() and related paths wrap any user-supplied plain X509TrustManager in X509TrustManagerWrapper, which extends X509ExtendedTrustManager but implements the 3-arg checkServerTrusted(chain, authType, SSLEngine) by discarding the SSLEngine and calling the 2-arg delegate. Because the object now IS an X509ExtendedTrustManager, neither SunJSSE's internal AbstractTrustManagerWrapper nor Netty's own OpenSslX509TrustManagerWrapper will re-wrap it to add endpoint-identification. Consequently, even though Netty 4.2 sets endpointIdentificationAlgorithm="HTTPS" by default, a client built with `SslContextBuilder.forClient().trustManager(somePlainX509TrustManager)` performs no hostname verification at all. Versions 4.1.135.Final and 4.2.15.Final patch the issue.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-347 - Improper Verification of Cryptographic Signature
Assigner
References
13 references
Impacted products
27 products
| Vendor | Product | Version | |
|---|---|---|---|
| netty | netty |
Affected:
>= 4.2.0.Final, < 4.2.15.Final
Affected: < 4.1.135.Final |
|
| Red Hat | Red Hat Build of Apache Camel 3.33 for Quarkus 3.33.2.SP1 |
cpe:/a:redhat:apache_camel_quarkus:3.33 |
|
| Red Hat | Red Hat build of Apache Camel 4.18.1.P1 for Spring Boot 3.5.16 |
cpe:/a:redhat:apache_camel_spring_boot:4.18 |
|
| Red Hat | Red Hat build of Quarkus 3.27.4.SP1 |
cpe:/a:redhat:quarkus:3.27::el8 |
|
| Red Hat | Red Hat build of Quarkus 3.33.2.SP1 |
cpe:/a:redhat:quarkus:3.33::el8 |
|
| Red Hat | Red Hat Data Grid 8.6.2 |
cpe:/a:redhat:jboss_data_grid:8 |
|
| Red Hat | Streams for Apache Kafka 2.9.4 |
cpe:/a:redhat:amq_streams:2.9::el9 |
|
| Red Hat | Red Hat Offline Knowledge Portal 1.2.9 |
Unaffected:
1782239370 , < *
(rpm)
cpe:/a:redhat:offline_knowledge_portal:1.2::el9 |
|
| Red Hat | Cryostat 4 |
cpe:/a:redhat:cryostat:4 |
|
| Red Hat | OpenShift Serverless |
cpe:/a:redhat:serverless:1 |
|
| Red Hat | Red Hat AMQ Broker 7 |
cpe:/a:redhat:amq_broker:7 |
|
| Red Hat | Red Hat AMQ Clients |
cpe:/a:redhat:amq_clients:2023 |
|
| Red Hat | Red Hat build of Apache Camel 4 for Quarkus 3 |
cpe:/a:redhat:camel_quarkus:3 |
|
| Red Hat | Red Hat build of Apache Camel - HawtIO 4 |
cpe:/a:redhat:apache_camel_hawtio:4 |
|
| Red Hat | Red Hat build of Apicurio Registry 3 |
cpe:/a:redhat:apicurio_registry:3 |
|
| Red Hat | Red Hat build of Debezium 3 |
cpe:/a:redhat:debezium:3 |
|
| Red Hat | Red Hat Build of Keycloak |
cpe:/a:redhat:build_keycloak: |
|
| Red Hat | Red Hat Enterprise Linux AI (RHEL AI) 3 |
cpe:/a:redhat:enterprise_linux_ai:3 |
|
| Red Hat | Red Hat Fuse 7 |
cpe:/a:redhat:jboss_fuse:7 |
|
| Red Hat | Red Hat JBoss Enterprise Application Platform 7 |
cpe:/a:redhat:jboss_enterprise_application_platform:7 |
|
| Red Hat | Red Hat JBoss Enterprise Application Platform 8 |
cpe:/a:redhat:jboss_enterprise_application_platform:8 |
|
| Red Hat | Red Hat JBoss Enterprise Application Platform Expansion Pack |
cpe:/a:redhat:jbosseapxp |
|
| Red Hat | Red Hat OpenShift AI (RHOAI) |
cpe:/a:redhat:openshift_ai |
|
| Red Hat | Red Hat OpenShift Dev Spaces |
cpe:/a:redhat:openshift_devspaces:3 |
|
| Red Hat | Red Hat Satellite 6 |
cpe:/a:redhat:satellite:6 |
|
| Red Hat | Red Hat Single Sign-On 7 |
cpe:/a:redhat:red_hat_single_sign_on:7 |
|
| Red Hat | streams for Apache Kafka 3 |
cpe:/a:redhat:amq_streams:3 |
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CVE-2026-49998 (GCVE-0-2026-49998)
Vulnerability from cvelistv5 – Published: 2026-07-16 19:33 – Updated: 2026-07-17 11:13
VLAI
EPSS
VEX
Title
Centrifugo: Dynamic JWKS key cache keyed only by `kid` allows cross-issuer JWT authentication bypass
Summary
Centrifugo is an open-source scalable real-time messaging server. Prior to 6.8.1, Centrifugo dynamic JWKS endpoint verification could reuse a key for one allowed issuer to verify a JWT for another allowed issuer because the JWKS cache and singleflight lookup were keyed only by JWT header kid, not by the resolved JWKS endpoint, issuer, audience, or trust-domain namespace, affecting client.token.jwks_public_endpoint, client.subscription_token.jwks_public_endpoint, internal/jwks/cache.go, and internal/jwks/manager.go. This issue is fixed in version 6.8.1.
Severity
8.2 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-347 - Improper Verification of Cryptographic Signature
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/centrifugal/centrifugo/securit… | x_refsource_CONFIRM |
| https://github.com/centrifugal/centrifugo/pull/1142 | x_refsource_MISC |
| https://github.com/centrifugal/centrifugo/commit/… | x_refsource_MISC |
| https://github.com/centrifugal/centrifugo/release… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| centrifugal | centrifugo |
Affected:
< 6.8.1
|
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CVE-2026-49834 (GCVE-0-2026-49834)
Vulnerability from cvelistv5 – Published: 2026-07-17 19:20 – Updated: 2026-07-17 19:42
VLAI
EPSS
VEX
Title
sigstore-go: Multi-log threshold bypass via single compromised log
Summary
sigstore-go is a Go library for Sigstore signing and verification. Prior to 1.2.0, a verifier configured with WithTransparencyLog(N>1) or WithSignedCertificateTimestamps(N>1) counts verified witnesses per entry or per validation path rather than per log authority, allowing a single compromised transparency log or CT log to satisfy multi-log threshold requirements and defeat the multi-log policy. This issue is fixed in version 1.2.0.
Severity
5.9 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-347 - Improper Verification of Cryptographic Signature
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/sigstore/sigstore-go/security/… | x_refsource_CONFIRM |
| https://github.com/sigstore/sigstore-go/pull/633 | x_refsource_MISC |
| https://github.com/sigstore/sigstore-go/commit/db… | x_refsource_MISC |
| https://github.com/sigstore/sigstore-go/releases/… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| sigstore | sigstore-go |
Affected:
< 1.2.0
|
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CVE-2026-49454 (GCVE-0-2026-49454)
Vulnerability from cvelistv5 – Published: 2026-06-18 20:52 – Updated: 2026-06-22 15:51
VLAI
EPSS
VEX
Title
Relyra SAML SignatureValue not cryptographically verified -> authentication bypass
Summary
Relyra is a strict-by-default SAML 2.0 Service Provider library for Elixir and Phoenix. Versions 1.0.0 and 1.1.0 accept forged SAML signatures because SignatureValue was not cryptographically verified before the library returned a successful authentication result. The XMLDSig trust boundary was incomplete as :public_key.verify over the exclusive-C14N canonicalized SignedInfo was not performed against the configured IdP certificate's public key, DigestValue was not recomputed over the canonicalized referenced element, and canonicalize/2 remained an unused passthrough in the signature-verification path. The result was a structure-only acceptance path where document shape and trust-source rejection could succeed without proving the signature bytes. A forged SignatureValue carrying an attacker-controlled NameID could be accepted as {:ok}. This issue has been fixed in version 1.2.0.
Severity
9.1 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/szTheory/relyra/security/advis… | x_refsource_CONFIRM |
| https://github.com/szTheory/relyra/commit/2e45689… | x_refsource_MISC |
| https://github.com/szTheory/relyra/commit/8910200 | x_refsource_MISC |
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CVE-2026-48815 (GCVE-0-2026-48815)
Vulnerability from cvelistv5 – Published: 2026-07-14 20:27 – Updated: 2026-07-15 12:56
VLAI
EPSS
VEX
Title
sigstore-js: `certificateOIDs` verification constraints are silently dropped and never enforced
Summary
sigstore-js provides JavaScript libraries for interacting with Sigstore services. Prior to 4.1.1, the documented certificateOIDs option in sigstore.verify() is accepted by the public API but discarded before verification, so required certificate extension OIDs are never checked and applications relying on certificateOIDs to restrict which certificates may sign artifacts can accept unauthorized certificates. This issue is fixed in version 4.1.1.
Severity
7.5 (High)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-347 - Improper Verification of Cryptographic Signature
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/sigstore/sigstore-js/security/… | x_refsource_CONFIRM |
| https://github.com/sigstore/sigstore-js/pull/1658 | x_refsource_MISC |
| https://github.com/sigstore/sigstore-js/commit/78… | x_refsource_MISC |
| https://github.com/sigstore/sigstore-js/releases/… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| sigstore | sigstore-js |
Affected:
< 4.1.1
|
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CVE-2026-48758 (GCVE-0-2026-48758)
Vulnerability from cvelistv5 – Published: 2026-07-14 20:36 – Updated: 2026-07-15 12:54
VLAI
EPSS
VEX
Title
sigstore-js: DSSE payloadType type-binding failure
Summary
sigstore-js provides JavaScript libraries for interacting with Sigstore services. Prior to 3.2.1, the preAuthEncoding function in @sigstore/core uses Node.js ascii encoding when converting the PAE string to bytes, allowing payloadType to be mutated after signing without invalidating the signature and breaking the type-binding guarantee that DSSE is designed to provide. This issue is fixed in version 3.2.1.
Severity
5.4 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-347 - Improper Verification of Cryptographic Signature
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/sigstore/sigstore-js/security/… | x_refsource_CONFIRM |
| https://github.com/sigstore/sigstore-js/pull/1657 | x_refsource_MISC |
| https://github.com/sigstore/sigstore-js/commit/b5… | x_refsource_MISC |
| https://github.com/sigstore/sigstore-js/releases/… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| sigstore | sigstore-js |
Affected:
< 3.2.1
|
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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.