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CVE-2026-25726 - Vulnerability Analysis

HighCVSS: 8.1

Last Updated: April 3, 2026

Cloudreve - Authentication Bypass

Published: April 3, 2026Updated: April 3, 2026Remote Exploitable

Overview

Cloudreve < 4.13.0 contains a broken authentication caused by use of weak pseudo-random number generator for critical secrets, letting attackers forge JWTs and escalate privileges, exploit requires knowledge of admin account creation time.

Severity & Score

Severity: High

CVSS Score: 8.1

Impact

Attackers can forge JWTs to fully take over any user account, including administrators, leading to complete privilege escalation.

Mitigation

Upgrade to version 4.13.0 or later.

References

https://github.com/cloudreve/cloudreve/releases/tag/4.13.0
https://github.com/cloudreve/cloudreve/security/advisories/GHSA-f8xp-wvcx-p6f4

Related Resources

Vulnerability Intelligence Dashboard
Credential Scanner

Details

CVE ID: CVE-2026-25726
Severity: High
CVSS Score: 8.1
Type: broken_authentication
Status: new

CWE

CWE-338

CVSS Metrics

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