CVE-2026-39972 Mercure has a Topic Selector Cache Key Collision

Mercure is a protocol for pushing data updates to web browsers and other HTTP clients in a battery-efficient way. Prior to 0.22.0, a cache key collision vulnerability in TopicSelectorStore allows an attacker to poison the match result cache, potentially causing private updates to be delivered to...

CVE-2026-39972

CVE-2026-39972 affects Mercure prior to 0.22.0. A cache key collision in TopicSelectorStore arises from concatenating topicSelector and topic with an underscore, which can produce identical keys for different pairs because both fields may contain underscores. An attacker who can subscribe or publ...

EUVD-2026-20967

Mercure is a protocol for pushing data updates to web browsers and other HTTP clients in a battery-efficient way. Prior to 0.22.0, a cache key collision vulnerability in TopicSelectorStore allows an attacker to poison the match result cache, potentially causing private updates to be delivered to...

ruby: Murmur hash-flooding DoS flaw in ruby 1.9 (oCERT-2012-001)

Ruby aka CRuby 1.9 before 1.9.3-p327 and 2.0 before r37575 computes hash values without properly restricting the ability to trigger hash collisions predictably, which allows context-dependent attackers to cause a denial of service CPU consumption via crafted input to an application that maintains...

Laravel Passport: TokenGuard Authenticates Unrelated User for Client Credentials Tokens

Impact Authentication Bypass for clientcredentials tokens. the league/oauth2-server library sets the JWT sub claim to the client identifier since there's no user. The token guard then passes this value to retrieveById without validating it's actually a user identifier, potentially resolving an...

mercure has Topic Selector Cache Key Collision

Impact A cache key collision vulnerability in TopicSelectorStore allows an attacker to poison the match result cache, potentially causing private updates to be delivered to unauthorized subscribers or blocking delivery to authorized ones. The cache key was constructed by concatenating the topic...

GHSA-HWR4-MQ23-WCV5 mercure has Topic Selector Cache Key Collision

Impact A cache key collision vulnerability in TopicSelectorStore allows an attacker to poison the match result cache, potentially causing private updates to be delivered to unauthorized subscribers or blocking delivery to authorized ones. The cache key was constructed by concatenating the topic...

GHSA-5Q48-Q4FM-G3M6 File Browser has an access rule bypass via HasPrefix without trailing separator in path matching

Hi, The Matches function in rules/rules.go uses strings.HasPrefix without a trailing directory separator when matching paths against access rules. A rule for /uploads also matches /uploadsbackup/, granting or denying access to unintended directories. Verified against v2.62.2 commit 860c19d. Detai...

PT-2026-31661

Name of the Vulnerable Software and Affected Versions Mercure versions prior to 0.22.0 Description A cache key collision in TopicSelectorStore could allow an attacker to poison the match result cache, potentially delivering private updates to unauthorized subscribers or blocking delivery to...

Juniper Junos OS Vulnerability (JSA100056)

The version of Junos OS installed on the remote host is affected by a vulnerability as referenced in the JSA100056 advisory. - RADIUS Protocol under RFC 2865 is susceptible to forgery attacks by a local attacker who can modify any valid Response Access-Accept, Access-Reject, or Access-Challenge t...

OpenFGA's BatchCheck within-request deduplication produces incorrect authorization decisions via list-value cache-key collision

Description In OpenFGA, under specific conditions, BatchCheck calls with multiple checks sent for the same object, relation, and user combination can result in improper policy enforcement. Am I affected? You are affected if you meet the following preconditions: 1. You execute BatchCheck operation...

Incorrect Authorization

Overview Affected versions of this package are vulnerable to Incorrect Authorization when BatchCheck calls with multiple checks are sent for the same object, relation, and user combination. An attacker can cause incorrect authorization decisions by exploiting a cache-key collision involving list...

CVE-2026-34972 OpenFGA's BatchCheck within-request deduplication produces incorrect authorization decisions via list-value cache-key collision

OpenFGA is a high-performance and flexible authorization/permission engine built for developers and inspired by Google Zanzibar. From 1.8.0 to 1.13.1, under specific conditions, BatchCheck calls with multiple checks sent for the same object, relation, and user combination can result in improper...

CVE-2026-34972 OpenFGA's BatchCheck within-request deduplication produces incorrect authorization decisions via list-value cache-key collision

OpenFGA is a high-performance and flexible authorization/permission engine built for developers and inspired by Google Zanzibar. From 1.8.0 to 1.13.1, under specific conditions, BatchCheck calls with multiple checks sent for the same object, relation, and user combination can result in improper...

CVE-2026-34972 OpenFGA's BatchCheck within-request deduplication produces incorrect authorization decisions via list-value cache-key collision

OpenFGA is a high-performance and flexible authorization/permission engine built for developers and inspired by Google Zanzibar. From 1.8.0 to 1.13.1, under specific conditions, BatchCheck calls with multiple checks sent for the same object, relation, and user combination can result in improper...

CVE-2026-34972

OpenFGA vulnerability CVE-2026-34972 affects OpenFGA versions 1.8.0 through 1.13.1. The issue arises when BatchCheck is invoked with multiple checks for the same object, relation, and user, leading to improper policy enforcement. It is resolved in version 1.14.0. CVSS metrics indicate high impact...

CVE-2026-35030

LiteLLM is a proxy server AI Gateway to call LLM APIs in OpenAI or native format. Prior to 1.83.0, when JWT authentication is enabled enablejwtauth: true, the OIDC userinfo cache uses token:20 as the cache key. JWT headers produced by the same signing algorithm generate identical first 20...

CVE-2026-35039 fast-jwt Affected by Cache Confusion via cacheKeyBuilder Collisions Can Return Claims From a Different Token (Identity/Authorization Mixup)

fast-jwt provides fast JSON Web Token JWT implementation. From 0.0.1 to before 6.2.0, setting up a custom cacheKeyBuilder method which does not properly create unique keys for different tokens can lead to cache collisions. This could cause tokens to be mis-identified during the verification proce...

CVE-2026-35039 fast-jwt Affected by Cache Confusion via cacheKeyBuilder Collisions Can Return Claims From a Different Token (Identity/Authorization Mixup)

fast-jwt provides fast JSON Web Token JWT implementation. From 0.0.1 to before 6.2.0, setting up a custom cacheKeyBuilder method which does not properly create unique keys for different tokens can lead to cache collisions. This could cause tokens to be mis-identified during the verification proce...

CVE-2026-35039

CVE-2026-35039 — fast-jwt cacheKeyBuilder collision leads to identity/authorization mixups Multiple connected sources describe a cache-confusion vulnerability in fast-jwt where a user-supplied cacheKeyBuilder can fail to produce unique keys for different tokens. When caching is enabled, two disti...