CVE-2026-34236 affects applications built with the Auth0-PHP SDK versions 8.0.0 through 8.18.x, where insufficient entropy in cookie encryption allows threat actors to brute-force keys. This vulnerability enables attackers to forge session cookies, potentially leading to unauthorized access and high impacts on confidentiality and integrity. Rated with a CVSS score of 8.2 (High), it has a network attack vector but requires high attack complexity. Currently, there is no evidence of active exploitation, public exploit code, or significant community discussion. Organizations are advised to upgrade to Auth0-PHP SDK version 8.19.0 or later to mitigate this risk.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 8.0.0, < 8.19.0CPE matchmatch criteria | cpe:2.3:a:auth0:auth0-php:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.