GHSA-JHM7-29PJ-4XVF @node-oauth/oauth2-server: PKCE code_verifier ABNF not enforced in token exchange allows brute-force redemption of intercepted authorization codes

Summary The token exchange path accepts RFC7636-invalid codeverifier values including one-character strings for S256 PKCE flows. Because short/weak verifiers are accepted and failed verifier attempts do not consume the authorization code, an attacker who intercepts an authorization code can...

@node-oauth/oauth2-server: PKCE code_verifier ABNF not enforced in token exchange allows brute-force redemption of intercepted authorization codes

Summary The token exchange path accepts RFC7636-invalid codeverifier values including one-character strings for S256 PKCE flows. Because short/weak verifiers are accepted and failed verifier attempts do not consume the authorization code, an attacker who intercepts an authorization code can...

EUVD-2026-22871

: Use of a Broken or Risky Cryptographic Algorithm vulnerability in Legion of the Bouncy Castle Inc. BC-JAVA bcpkix on all pkix modules. PKIX draft CompositeVerifier accepts empty signature sequence as valid. This issue affects BC-JAVA: from 1.49 before 1.84...

GHSA-WG6Q-6289-32HP Bouncy Castle Crypto Package For Java: Use of a Broken or Risky Cryptographic Algorithm vulnerability in bcpkix modules

: Use of a Broken or Risky Cryptographic Algorithm vulnerability in Legion of the Bouncy Castle Inc. BC-JAVA bcpkix on all pkix modules. PKIX draft CompositeVerifier accepts empty signature sequence as valid. This issue affects BC-JAVA: from 1.49 before 1.84...

Bouncy Castle Crypto Package For Java: Use of a Broken or Risky Cryptographic Algorithm vulnerability in bcpkix modules

: Use of a Broken or Risky Cryptographic Algorithm vulnerability in Legion of the Bouncy Castle Inc. BC-JAVA bcpkix on all pkix modules. PKIX draft CompositeVerifier accepts empty signature sequence as valid. This issue affects BC-JAVA: from 1.49 before 1.84...

DEBIAN-CVE-2026-5588

Use of a Broken or Risky Cryptographic Algorithm vulnerability in Legion of the Bouncy Castle Inc. BC-JAVA bcpkix on all pkix modules, Legion of the Bouncy Castle Inc. BCPKIX-FIPS bcpkix on All pkix modules, Legion of the Bouncy Castle Inc. BCPIX-LTS bcpkix on All pkix modules. This vulnerability...

Improper Verification of Cryptographic Signature

Overview Affected versions of this package are vulnerable to Improper Verification of Cryptographic Signature due to the verifybyte expected function in JcaContentVerifierProviderBuilder. An attacker can forge a protected CMP/PKI message by supplying an empty composite signature sequence that...

Improper Verification of Cryptographic Signature

Overview Affected versions of this package are vulnerable to Improper Verification of Cryptographic Signature due to the verifybyte expected function in JcaContentVerifierProviderBuilder. An attacker can forge a protected CMP/PKI message by supplying an empty composite signature sequence that...

Improper Verification of Cryptographic Signature

Overview Affected versions of this package are vulnerable to Improper Verification of Cryptographic Signature due to the verifybyte expected function in JcaContentVerifierProviderBuilder. An attacker can forge a protected CMP/PKI message by supplying an empty composite signature sequence that...

Improper Verification of Cryptographic Signature

Overview Affected versions of this package are vulnerable to Improper Verification of Cryptographic Signature due to the verifybyte expected function in JcaContentVerifierProviderBuilder. An attacker can forge a protected CMP/PKI message by supplying an empty composite signature sequence that...

CVE-2026-5588 PKIX draft CompositeVerifier accepts empty signature sequence as valid.

Use of a Broken or Risky Cryptographic Algorithm vulnerability in Legion of the Bouncy Castle Inc. BC-JAVA bcpkix on all pkix modules, Legion of the Bouncy Castle Inc. BCPKIX-FIPS bcpkix on All pkix modules, Legion of the Bouncy Castle Inc. BCPIX-LTS bcpkix on All pkix modules. This vulnerability...

CVE-2026-5588

Use of a Broken or Risky Cryptographic Algorithm vulnerability in Legion of the Bouncy Castle Inc. BC-JAVA bcpkix on all pkix modules, Legion of the Bouncy Castle Inc. BCPKIX-FIPS bcpkix on All pkix modules, Legion of the Bouncy Castle Inc. BCPIX-LTS bcpkix on All pkix modules. This vulnerability...

CVE-2026-5588 PKIX draft CompositeVerifier accepts empty signature sequence as valid.

Use of a Broken or Risky Cryptographic Algorithm vulnerability in Legion of the Bouncy Castle Inc. BC-JAVA bcpkix on all pkix modules, Legion of the Bouncy Castle Inc. BCPKIX-FIPS bcpkix on All pkix modules, Legion of the Bouncy Castle Inc. BCPIX-LTS bcpkix on All pkix modules. This vulnerability...

CVE-2026-5588

CVE-2026-5588 is a vulnerability in the Bouncy Castle BC-JAVA family (bcpkix, bcprov, bcpix) where a broken or risky cryptographic algorithm is used by JcaContentVerifierProviderBuilder/JcaContentVerifierProviderBuilder, affecting BC-JAVA versions prior to 1.80.2, BC-PKIX 2.0.6–2.0.11 and 2.1.7–2...

CVE-2026-5588 PKIX draft CompositeVerifier accepts empty signature sequence as valid.

Use of a Broken or Risky Cryptographic Algorithm vulnerability in Legion of the Bouncy Castle Inc. BC-JAVA bcpkix on all pkix modules, Legion of the Bouncy Castle Inc. BCPKIX-FIPS bcpkix on All pkix modules, Legion of the Bouncy Castle Inc. BCPIX-LTS bcpkix on All pkix modules. This vulnerability...

CVE-2026-5588

Use of a Broken or Risky Cryptographic Algorithm vulnerability in Legion of the Bouncy Castle Inc. BC-JAVA bcpkix on all pkix modules, Legion of the Bouncy Castle Inc. BCPKIX-FIPS bcpkix on All pkix modules, Legion of the Bouncy Castle Inc. BCPIX-LTS bcpkix on All pkix modules. This vulnerability...

EUVD-2026-22813

Sigstore Timestamp Authority has Improper Certificate Validation in verifier...

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GHSA-63X8-X938-VX33 SP1 V6 Recursion Circuit Row-Count Binding Gap

Summary A soundness vulnerability in the SP1 V6 recursive shard verifier allows a malicious prover to construct a recursive proof from a shard proof that the native verifier would reject. - Affected versions: = 6.0.0, = 6.0.2 - Not affected: SP1 V5 all versions - Severity: High Details Background...

SP1 V6 Recursion Circuit Row-Count Binding Gap

Summary A soundness vulnerability in the SP1 V6 recursive shard verifier allows a malicious prover to construct a recursive proof from a shard proof that the native verifier would reject. - Affected versions: = 6.0.0, = 6.0.2 - Not affected: SP1 V5 all versions - Severity: High Details Background...