Improper Verification of Cryptographic Signature

Overview Affected versions of this package are vulnerable to Improper Verification of Cryptographic Signature through OpenPGPCertificate.getApplyingSubpacket in org.bouncycastle.openpgp.api. An attacker can make a genuine signature from a victim’s signing subkey validate under an...

Improper Verification of Cryptographic Signature

Overview Affected versions of this package are vulnerable to Improper Verification of Cryptographic Signature through OpenPGPCertificate.getApplyingSubpacket in org.bouncycastle.openpgp.api. An attacker can make a genuine signature from a victim’s signing subkey validate under an...

Improper Verification of Cryptographic Signature

Overview Affected versions of this package are vulnerable to Improper Verification of Cryptographic Signature through OpenPGPCertificate.getApplyingSubpacket in org.bouncycastle.openpgp.api. An attacker can make a genuine signature from a victim’s signing subkey validate under an...

Improper Verification of Cryptographic Signature

Overview Affected versions of this package are vulnerable to Improper Verification of Cryptographic Signature via the BLS12381BasicScheme.keyValidate path in BLS12381BasicScheme.java. An attacker can be accepted as a signer in BLS aggregate verification by supplying an ECPoint built on a...

Improper Verification of Cryptographic Signature

Overview org.bouncycastle:bcprov-jdk15to18 is a Java implementation of cryptographic algorithms. Affected versions of this package are vulnerable to Improper Verification of Cryptographic Signature via the BLS12381BasicScheme.keyValidate path in BLS12381BasicScheme.java. An attacker can be accept...

Improper Verification of Cryptographic Signature

Overview Affected versions of this package are vulnerable to Improper Verification of Cryptographic Signature via the BLS12381BasicScheme.keyValidate path in BLS12381BasicScheme.java. An attacker can be accepted as a signer in BLS aggregate verification by supplying an ECPoint built on a...

Improper Verification of Cryptographic Signature

Overview Affected versions of this package are vulnerable to Improper Verification of Cryptographic Signature via the BLS12381BasicScheme.keyValidate path in BLS12381BasicScheme.java. An attacker can be accepted as a signer in BLS aggregate verification by supplying an ECPoint built on a...

CVE-2026-71891

In Bouncy Castle for Java before 1.86, BLS12381BasicScheme.keyValidate, and so BLSPublicKeyParameters and every BasicScheme, MessageAugmentation and ProofOfPossession verify and aggregateVerify that gate on it, accepted a public key built on a foreign ECCurve that merely shares BLS12-381's field...

DEBIAN-CVE-2026-71887

In Bouncy Castle for Java before 1.86, the high-level OpenPGP API accepted a data signature made by a signing subkey whose Subkey Binding signature carried no embedded Primary Key Binding cross-certification signature, in the case where that binding omits a Key Flags subpacket. RFC 9580 sec...

The Same Zero: Why Identical ASR Can Imply Different Guarantees in LLM-Agent Security

LLM-agent security has produced a dense landscape of defenses - prompt hardening, content filters, permission gates, sandboxes - yet no framework tells a deployer what a defense actually guarantees, or where that guarantee comes from. We apply Verification Autonomy Levels VAL - L0: LLM...

PT-2026-104570

Name of the Vulnerable Software and Affected Versions Bouncy Castle for Java versions prior to 1.86 Description An issue exists in the BLS12 381BasicScheme.keyValidate function, affecting BLSPublicKeyParameters and the verify and aggregateVerify methods of BasicScheme, MessageAugmentation, and...

CVE-2026-71891: Improper Verification of Cryptographic Signature

In Bouncy Castle for Java before 1.86, BLS12381BasicScheme.keyValidate, and so BLSPublicKeyParameters and every BasicScheme, MessageAugmentation and ProofOfPossession verify and aggregateVerify that gate on it, accepted a public key built on a foreign ECCurve that merely shares BLS12-381's field...

Security Bulletin: Vulnerability in golang.org/x/mod bundled with IBM Fusion and IBM Fusion HCI

Summary IBM Fusion, IBM Fusion HCI, and IBM Fusion Data Cataloging include the golang.org/x/mod library, which is affected by multiple vulnerabilities, including Improper verification of cryptographic signatures and integrity verification bypass. CVE-2026-56864, CVE-2026-56865. Vulnerability...

CVE-2026-104437

Zebra before 4.4.0 contains a consensus divergence vulnerability in V5 transparent signature verification, computing a ZIP-244 digest for SIGHASHSINGLE inputs lacking corresponding outputs instead of failing. Attackers can craft V5 transactions with fewer outputs than inputs that Zebra accepts an...

EUVD-2026-91447

Zebra before 4.4.0 contains a consensus divergence vulnerability in V5 transparent signature verification, computing a ZIP-244 digest for SIGHASHSINGLE inputs lacking corresponding outputs instead of failing. Attackers can craft V5 transactions with fewer outputs than inputs that Zebra accepts an...

CVE-2026-104437

The Zebra node (versions before 4.4.0 ) is vulnerable to a consensus divergence vulnerability in V5 transparent signature verification. The root cause is that Zebra computes a ZIP-244 digest for SIGHASH_SINGLE inputs that lack corresponding outputs instead of failing, whereas zcashd correctly rej...

CVE-2026-104431 Zebra before 6.0.0 Denial of Service via Synchronous Script FFI Verification

Zebra before 6.0.0 contains a denial of service vulnerability that allows unauthenticated peers to stall Tokio workers by submitting mempool transactions requiring expensive synchronous script verification. Attackers can send non-standard high-sigop P2SH transactions that reach...

CVE-2026-104423 Zebra before 6.2.1 Denial of Service via Uncapped V6 Shielded Proof Verification

Zebra zebrad before 6.2.1 contains an asymmetric resource consumption vulnerability that allows unauthenticated peers to stall block verification by pushing V6 mempool transactions with invalid Halo2 proofs. Attackers can flood the shared unprioritized Halo2 verification queue with zero-fee...

CVE-2026-104423 Zebra before 6.2.1 Denial of Service via Uncapped V6 Shielded Proof Verification

Zebra zebrad before 6.2.1 contains an asymmetric resource consumption vulnerability that allows unauthenticated peers to stall block verification by pushing V6 mempool transactions with invalid Halo2 proofs. Attackers can flood the shared unprioritized Halo2 verification queue with zero-fee...

CVE-2026-104423 Zebra before 6.2.1 Denial of Service via Uncapped V6 Shielded Proof Verification

Zebra zebrad before 6.2.1 contains an asymmetric resource consumption vulnerability that allows unauthenticated peers to stall block verification by pushing V6 mempool transactions with invalid Halo2 proofs. Attackers can flood the shared unprioritized Halo2 verification queue with zero-fee...