CVE-2026-54030 LibreChat: Missing Resource Parameter Validation in MCP OAuth Flow

LibreChat is an enhanced ChatGPT clone that supports multiple AI providers. Prior to 0.8.5, LibreChat's MCP OAuth implementation does not validate that the resource parameter from OAuth Protected Resource metadata RFC 9728 matches the configured MCP server URL, allowing a malicious MCP server to...

CVE-2026-54030 LibreChat: Missing Resource Parameter Validation in MCP OAuth Flow

LibreChat is an enhanced ChatGPT clone that supports multiple AI providers. Prior to 0.8.5, LibreChat's MCP OAuth implementation does not validate that the resource parameter from OAuth Protected Resource metadata RFC 9728 matches the configured MCP server URL, allowing a malicious MCP server to...

CVE-2026-54040

Summary of CVE-2026-54040 (LibreChat): Before version 0.8.4-rc1, the POST /api/auth/2fa/backup/regenerate endpoint regenerates all 2FA backup codes without requiring a valid TOTP token or existing backup code verification. An attacker with a stolen session token can silently replace a victim’s 2F...

EUVD-2026-39456

LibreChat is an enhanced ChatGPT clone that supports multiple AI providers. Prior to 0.8.4-rc1, the POST /api/auth/2fa/backup/regenerate endpoint regenerates all 2FA backup codes without requiring any TOTP token or existing backup code verification. An attacker with a stolen session token can...

CVE-2026-54040

LibreChat is an enhanced ChatGPT clone that supports multiple AI providers. Prior to 0.8.4-rc1, the POST /api/auth/2fa/backup/regenerate endpoint regenerates all 2FA backup codes without requiring any TOTP token or existing backup code verification. An attacker with a stolen session token can...

CVE-2026-54036

LibreChat is an enhanced ChatGPT clone that supports multiple AI providers. Prior to 0.8.4-rc1, the GET /api/auth/2fa/enable endpoint can be called by an authenticated user or attacker with a stolen session even when 2FA is already fully enabled on the account. This endpoint overwrites the existi...

CVE-2026-54036 LibreChat: 2FA Re-enrollment Allows Full Account 2FA Takeover Without OTP Verification

LibreChat is an enhanced ChatGPT clone that supports multiple AI providers. Prior to 0.8.4-rc1, the GET /api/auth/2fa/enable endpoint can be called by an authenticated user or attacker with a stolen session even when 2FA is already fully enabled on the account. This endpoint overwrites the existi...

Security Bulletin: IBM DevOps Loop is susceptible to an Insufficient Session Expiration vulnerability. [CVE-2025-36359]

Summary IBM DevOps Loop is susceptible to an Insufficient Session Expiration vulnerability, which could allow an attacker to continue accessing protected resources using expired authentication tokens. Vulnerability Details CVEID:CVE-2025-36359 DESCRIPTION: IBM DevOps Loop does not invalidate...

SUSE-SU-2026:22365-1 Security update for openCryptoki

This update for openCryptoki fixes the following issues Upgrade openCryptoki to version 3.27 jscPED-14609: Add base support for PKCS11 v3.2. Add support for PKCS11 v3.2 CVerifySignatureInit|Update|Final. Add support for PKCS11 v3.2 CEncapsulateKey/CDecapsulateKey. Soft/ICA/CCA/EP11: Add support f...

Security update for python-PyJWT

This update for python-PyJWT fixes the following issues CVE-2026-48522: PyJWKClient passes URI arguments directly to urllib.request.urlopen and allows for SSRF and token forgery bsc1266798. CVE-2026-48523: verifier-side algorithm allow-list bypass when jwt.decode or jwt.decodecomplete are called...

Security update for python-PyJWT

This update for python-PyJWT fixes the following issues CVE-2026-48522: PyJWKClient passes URI arguments directly to urllib.request.urlopen and allows for SSRF and token forgery bsc1266798. CVE-2026-48523: verifier-side algorithm allow-list bypass when jwt.decode or jwt.decodecomplete are called...

SUSE-SU-2026:2626-1 Security update for python-PyJWT

This update for python-PyJWT fixes the following issues - CVE-2026-48522: PyJWKClient passes URI arguments directly to urllib.request.urlopen and allows for SSRF and token forgery bsc1266798. - CVE-2026-48523: verifier-side algorithm allow-list bypass when jwt.decode or jwt.decodecomplete are...

MAL-2026-6449 Malicious code in howdybase32 (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector c0eab759e668db62de0eaa10d1f5d32c689b00c7c3d6d2b1517439cc5df3e956 The package advertises itself as a fast, zero-dependency base32 encoder/decoder, but its only bin entry bin/hibase32.js silently invokes...

OHIF Viewers DICOM

ADVISORY SUMMARY Successful exploitation of this vulnerability in a custom integration version could allow an attacker to steal an authenticated clinician's token via a crafted link. 2. RECOMMENDED PRACTICES CISA recommends users take defensive measures to minimize the risk of exploitation of...

CVE-2026-13311

shell-quote prior to 1.8.5 finalizes parsed tokens in parse using Array.prototype.concat as a reduce accumulator, which reallocates and copies the entire growing array on every iteration. As a result parse runs in On^2 time relative to the number of input tokens. An attacker who can supply an...

PT-2026-52494

Name of the Vulnerable Software and Affected Versions LibreChat versions prior to 0.8.5 Description LibreChat is an enhanced ChatGPT clone supporting multiple AI providers. The MCP OAuth implementation fails to validate that the resource parameter from OAuth Protected Resource metadata RFC 9728...

PT-2026-52516

Name of the Vulnerable Software and Affected Versions pnpm versions prior to 10.34.0 pnpm versions prior to 11.4.0 Description pnpm may send user-level unscoped npm authentication credentials to a registry specified in a repository-local .npmrc file. This occurs when a user's global configuration...

PT-2026-52644

Name of the Vulnerable Software and Affected Versions GitHub MCP Server versions 0.22.0 through 1.1.1 Description When operating in HTTP mode with --lockdown-mode enabled, the RepoAccessCache is implemented as a process-global singleton. This singleton is initialized using the GraphQL client of t...

PT-2026-52508

Name of the Vulnerable Software and Affected Versions Keycloak affected versions not specified Description A flaw in the client registration service allows a remote attacker with a previously issued Registration Access Token RAT to re-enable a client that was explicitly disabled by an...

The vulnerability of the JWT/OIDC authentication method of the OpenBao encryption and secret management system allows attackers to perform XSS attacks.

The vulnerability of the JWT/OIDC authentication method of the OpenBao encryption system is related to the lack of mechanisms for encoding or shielding the output data. Exploiting this vulnerability allows a malicious actor to perform XSS attacks remotely...