PYSEC-2026-4114 Oauthlib: Timing Attack Vulnerability in PKCE code_verifier Comparison (CWE-208)

Summary A timing side-channel vulnerability exists in the PKCE RFC 7636 implementation of the Authorization Code Grant flow. The codechallengemethodplain function uses Python's standard == operator for string comparison instead of a constant-time comparison function, potentially allowing...

Oauthlib: Timing Attack Vulnerability in PKCE code_verifier Comparison (CWE-208)

SummaryA timing side-channel vulnerability exists in the PKCE RFC 7636 implementation of the Authorization Code Grant flow. The codechallengemethodplain function uses Python's standard == operator for string comparison instead of a constant-time comparison function, potentially allowing...

lightrag-hku: Plaintext Passwords Compared Without Constant-Time Function

SummaryWhen plaintext passwords are stored in AUTHACCOUNTS, the comparison uses Python's == operator which is not constant-time. An attacker with low-latency access can exploit timing differences to recover the password character by character. Detailspython lightrag/api/passwords.py:13-26def...

PYSEC-2026-4082 MCP Atlassian: Insecure File Permissions on OAuth Token Storage

Summary The OAuth token fallback file storage in OAuthConfig.savetokenstofile creates token files containing access tokens, refresh tokens, and cloud IDs with default filesystem permissions typically 0644 on Linux, world-readable. Any local user on a shared system can read these files to obtain...

MCP Atlassian: Insecure File Permissions on OAuth Token Storage

SummaryThe OAuth token fallback file storage in OAuthConfig.savetokenstofile creates token files containing access tokens, refresh tokens, and cloud IDs with default filesystem permissions typically 0644 on Linux, world-readable. Any local user on a shared system can read these files to obtain fu...

PYSEC-2026-4076 BerriAI litellm: SSO Login Does Not Invalidate Previous UI Session Tokens

A vulnerability was identified in BerriAI litellm up to 1.82.2. This impacts the function getredirectresponsefromopenid of the file litellm/proxy/managementendpoints/uisso.py of the component SSO Authentication Flow. The manipulation leads to session expiration. The attack is possible to be carri...

BerriAI litellm has SSRF via Unvalidated spec_path URL in MCP OpenAPI Spec Loader

A weakness has been identified in BerriAI litellm up to 1.82.2. Affected by this vulnerability is the function loadopenapispecasync of the file litellm/proxy/experimental/mcpserver/openapitomcpgenerator.py of the component MCP OpenAPI Spec Loader. This manipulation of the argument specpath causes...

PYSEC-2026-4069 BerriAI litellm has SSRF via Unvalidated spec_path URL in MCP OpenAPI Spec Loader

A weakness has been identified in BerriAI litellm up to 1.82.2. Affected by this vulnerability is the function loadopenapispecasync of the file litellm/proxy/experimental/mcpserver/openapitomcpgenerator.py of the component MCP OpenAPI Spec Loader. This manipulation of the argument specpath causes...

LiteLLM: MCP Proxy Has Improper Authentication

A weakness has been identified in BerriAI litellm up to 1.59.8. Affected is the function UserAPIKeyAuth of the file litellm/proxy/experimental/mcpserver/auth/userapikeyauthmcp.py of the component MCP Proxy. Executing a manipulation can lead to improper authentication. The attack may be launched...

BerriAI litellm: UI User Enumeration leads to System-Wide Information Disclosure

A security vulnerability has been detected in BerriAI litellm up to 1.82.2. Affected by this issue is the function uiviewusers of the file litellm/proxy/managementendpoints/internaluserendpoints.py of the component Incomplete Fix CVE-2025-0628. Such manipulation leads to improper authorization. I...

LiteLLM: M2M JWT Handler Has Improper Authorization

A vulnerability was identified in BerriAI litellm up to 1.82.2. This affects an unknown function of the file litellm/proxy/auth/userapikeyauth.py of the component M2M JWT Handler. Such manipulation leads to improper authorization. The attack can be launched remotely. A high complexity level is...

PYSEC-2026-4072 BerriAI litellm: UI User Enumeration leads to System-Wide Information Disclosure

A security vulnerability has been detected in BerriAI litellm up to 1.82.2. Affected by this issue is the function uiviewusers of the file litellm/proxy/managementendpoints/internaluserendpoints.py of the component Incomplete Fix CVE-2025-0628. Such manipulation leads to improper authorization. I...

PYSEC-2026-4073 LiteLLM: PROXY_ADMIN database API Key Generator Has Insufficient Session Expiration

A security flaw has been discovered in BerriAI litellm up to 1.82.2. This impacts the function authenticateuser of the file litellm/proxy/auth/loginutils.py of the component PROXYADMIN database API Key Generator. Performing a manipulation results in session expiration. The attack may be initiated...

Picklescan has a missing detection when calling built-in python idlelib.autocomplete.AutoComplete.fetch_completions

SummaryUsing idlelib.autocomplete.AutoComplete.fetchcompletions, which is a built-in python library function to execute remote pickle file. DetailsThe attack payload executes in the following steps:First, the attacker craft the payload by calling to...

Picklescan missing detection when calling pytorch function torch.jit.unsupported_tensor_ops.execWrapper

SummaryUsing torch.jit.unsupportedtensorops.execWrapper function, which is a pytorch library function to execute remote pickle file. DetailsThe attack payload executes in the following steps:First, the attacker craft the payload by calling to torch.jit.unsupportedtensorops.execWrapper function in...

CVE-2026-92870

A flaw was found in Pgpool-II. Due to a stack-based buffer overflow, an unauthenticated remote attacker can trigger abnormal process termination by sending specially crafted input to the server. This issue leads to a Denial of Service DoS, making the service unavailable to legitimate users...

CVE-2026-86344

A flaw was found in 389-ds-base. An unauthenticated remote attacker can send a complete LDAP operation followed by the first bytes of an incomplete LDAPMessage on the same connection, causing the server to hand that connection to a second worker thread before the first worker's result is flushed...

tomcat: Apache Tomcat: Local information disclosure via Unix domain socket TOCTOU race condition

A flaw was found in Apache Tomcat. A Time-of-check Time-of-use TOCTOU race condition exists when creating Unix domain sockets. This vulnerability allows an unauthorized local user to exploit the timing window to gain access to the Unix domain socket. This could lead to information disclosure or...

tomcat: Apache Tomcat: Authentication bypass via limited replay attack in DIGEST authenticator

A flaw was found in Apache Tomcat. This vulnerability, an authentication bypass by capture-replay, affects the DIGEST authenticator. A remote attacker can exploit this by making a specially crafted DIGEST authenticated request with a nonceCount at the upper boundary of the replay window. This...

CVE-2026-73636

The Apache HTTP Server 2.4.x on all platforms is vulnerable to an authentication bypass via a capture-replay attack in the mod_auth_digest module. When AuthDigestNonceLifetime is set to 0 , a man-in-the-middle (MITM) attacker can replay captured digest authentication credentials by sending crafte...