CVE-2026-59640

In Bouncy Castle for Java before 1.85, OpenPGP CFB quick-check oracle active on symmetric/session-key paths. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS BC-FJA before bcpg-fips 1.0.13 1.0.X series, 2.0.13 2.0.X series and 2.1.13 2.1.X series...

CVE-2026-59640

CVE-2026-59640 affects Bouncy Castle for Java prior to 1.85, including the LTS release prior to 2.73.12 and BC-FJA (FIPS) before bcpg-fips 1.0.13 (1.0.x), 2.0.13 (2.0.x), and 2.1.13 (2.1.x). The issue is described as an OpenPGP CFB quick-check oracle that is active on symmetric/session-key paths....

CVE-2026-64389

A flaw was found in the Linux kernel's ksmbd component. A remote attacker could exploit a vulnerability in the NTLMv2 authentication process to modify a session key even when authentication fails. This bypasses security checks and could potentially lead to unauthorized access or session hijacking...

SUSE CVE-2026-64389

In the Linux kernel, the following vulnerability has been resolved: ksmbd: validate NTLMv2 response before updating session key ksmbdauthntlmv2 derives the NTLMv2 session key into sess-sesskey before it verifies the NTLMv2 response. ksmbddecodentlmsspauthblob then continues into KEYXCH even when...

CVE-2026-64389

In the Linux kernel, the following vulnerability has been resolved: ksmbd: validate NTLMv2 response before updating session key ksmbdauthntlmv2 derives the NTLMv2 session key into sess-sesskey before it verifies the NTLMv2 response. ksmbddecodentlmsspauthblob then continues into KEYXCH even when...

UBUNTU-CVE-2026-64389

In the Linux kernel, the following vulnerability has been resolved: ksmbd: validate NTLMv2 response before updating session key ksmbdauthntlmv2 derives the NTLMv2 session key into sess-sesskey before it verifies the NTLMv2 response. ksmbddecodentlmsspauthblob then continues into KEYXCH even when...

CVE-2026-64389

Summary: CVE-2026-64389 affects the Linux kernel KSMD (ksmbd) SMB3 multichannel binding path. The code derives the NTLMv2 session key into sess->sess_key during ksmbd_auth_ntlmv2(), before validating the NTLMv2 response. If authentication fails, the subsequent KEY_XCH step may still use the (p...

EUVD-2026-48933

In the Linux kernel, the following vulnerability has been resolved: ksmbd: validate NTLMv2 response before updating session key ksmbdauthntlmv2 derives the NTLMv2 session key into sess-sesskey before it verifies the NTLMv2 response. ksmbddecodentlmsspauthblob then continues into KEYXCH even when...

CVE-2026-64389

In the Linux kernel, the following vulnerability has been resolved: ksmbd: validate NTLMv2 response before updating session key ksmbdauthntlmv2 derives the NTLMv2 session key into sess-sesskey before it verifies the NTLMv2 response. ksmbddecodentlmsspauthblob then continues into KEYXCH even when...

CVE-2026-64389 ksmbd: validate NTLMv2 response before updating session key

In the Linux kernel, the following vulnerability has been resolved: ksmbd: validate NTLMv2 response before updating session key ksmbdauthntlmv2 derives the NTLMv2 session key into sess-sesskey before it verifies the NTLMv2 response. ksmbddecodentlmsspauthblob then continues into KEYXCH even when...

PT-2026-64610

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the ksmbd module where the ksmbd auth ntlmv2 function derives the NTLMv2 session key into sess-sess key before verifying the NTLMv2 response. Subsequently, ksmbd decod...

CVE-2026-61500

Rejetto HFS 3.0.0 through 3.2.0 derives its session-cookie signing key from the non-cryptographic Math.random generator and discloses outputs of the same generator to unauthenticated clients during login. A remote attacker can collect a small number of login responses, reconstruct the generator's...

CVE-2026-56217 Capgo - Encrypted Bundle Policy Bypass via Direct PostgREST Update

Capgo before 12.128.2 contains a policy bypass vulnerability in appversions update enforcement that allows app-scoped API keys to downgrade encrypted bundles to non-encrypted state. Attackers with app-scoped all API keys can directly update the appversions table via PostgREST to clear sessionkey...

CVE-2026-56217

Capgo versions before 12.128.2 contain a policy bypass vulnerability in app_versions update enforcement that lets app-scoped API keys downgrade encrypted bundles to non-encrypted state. Attackers with app-scoped all API keys can directly update the app_versions table via PostgREST to clear sessio...

PT-2026-53168

Name of the Vulnerable Software and Affected Versions Databend versions prior to 1.2.882 Description An authorization bypass exists in the HTTP Tenant Handler component. The issue resides in the ClientSessionManager::state key function within the src/query/service/src/servers/http/v1/session/clie...

GHSA-9J32-3M66-MC4M Duplicate Advisory: OpenClaw: Hook mapping templates could bypass hook session-key opt-in

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-2xcp-x87w-q377. This link is maintained to preserve external references. Original Description OpenClaw before 2026.4.20 contains a hook session-key bypass vulnerability that allows attackers to circumvent the...

EUVD-2026-29147

OpenClaw before 2026.4.20 contains a hook session-key bypass vulnerability that allows attackers to circumvent the hooks.allowRequestSessionKey opt-in restriction. Attackers can render externally influenced session keys through templated hook mappings to bypass webhook routing isolation controls...

Duplicate Advisory: OpenClaw: Hook mapping templates could bypass hook session-key opt-in

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-2xcp-x87w-q377. This link is maintained to preserve external references. Original Description OpenClaw before 2026.4.20 contains a hook session-key bypass vulnerability that allows attackers to circumvent the...

CVE-2026-45002

OpenClaw before 2026.4.20 contains a hook session-key bypass vulnerability that allows attackers to circumvent the hooks.allowRequestSessionKey opt-in restriction. Attackers can render externally influenced session keys through templated hook mappings to bypass webhook routing isolation controls...

CVE-2026-45002

OpenClaw prior to 2026.4.20 contains a hook session-key bypass vulnerability that lets an attacker bypass the hooks.allowRequestSessionKey opt-in restriction. By using templated hook mappings, externally influenced session keys can be rendered to bypass webhook routing isolation controls. The ava...