CVE-2025-54982

9.6 criticalEPSS 0.4%

Critical (9.6). EPSS 0.4% chance of exploitation in the next 30 days.

An improper verification of cryptographic signature in Zscaler's SAML authentication mechanism on the server-side allowed an authentication abuse.

Severity

9.6 critical

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

EPSS: 0.4% chance of exploitation in the next 30 days; higher than 35% of CVEs (scores of 2026-10-31)
CWE: CWE-347
Published: 2025-08-05
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19