CVE-2025-45769

MEDIUM

Google Firebase Php-jwt < 6.11.0 - Weak Encryption

Title source: rule

Description

php-jwt v6.11.0 was discovered to contain weak encryption. NOTE: this issue has been disputed on the basis that key lengths are expected to be set by an application, not by this library. This dispute is subject to review under CNA rules 4.1.4, 4.1.14, and other rules; the dispute tagging is not meant to recommend an outcome for this CVE Record.

References (8)

[Various Sources] https://github.com/advisories/GHSA-2x45-7fc3-mxwq

[Third Party Advisory] https://gist.github.com/ZupeiNie/83756316c4c24fe97a50176a92608db3

[Product] https://github.com/firebase

[Product] https://github.com/firebase/php-jwt

View Writeup ZIP pw:eip

[Issue Tracking] https://github.com/firebase/php-jwt/issues/620

[Issue Tracking] https://github.com/firebase/php-jwt/pull/613

[Issue Tracking] https://github.com/github/advisory-database/pull/6954

[Release Notes] https://github.com/firebase/php-jwt/releases/tag/v7.0.0

Scores

CVSS v3 6.5

EPSS 0.0001

EPSS Percentile 3.3%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

CISA SSVC

Vulnrichment

Exploitation poc

Automatable no

Technical Impact partial

Details

CWE

CWE-326

Status published

Products (2)

firebase/php-jwt 0 - 7.0.0Packagist

google/firebase_php-jwt < 6.11.0

Published Jul 31, 2025

Tracked Since Feb 18, 2026