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  4. CVE 2026 73611 file browser 2500 through 26321 jwt expiration
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Back to active CVEs
High · CVSS 7.6CVE-2026-73611

File Browser 2.50.0 through 2.63.21 JWT Expiration BypassCVE-2026-73611

Answer in brief

CVE-2026-73611 records a High severity (CVSS 7.6) vulnerability in File Browser 2.50.0 through 2.63.21 JWT Expiration Bypass. The current sources do not mark it as known exploited. The current feed maps filebrowser/filebrowser (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Aug 13, 2026Updated Sep 30, 2026Source checked Nov 11, 2026First seen by HOL Aug 13, 2026Material review Sep 30, 2026
Upstream Advisory

Key facts

Risk
High · CVSS 7.6
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Not reported

Why this deserves its current priority

CVSS is 7.6. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps filebrowser/filebrowser (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
filebrowser/filebrowsergeneric>=2.50.0 <=2.63.21Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for filebrowser/filebrowser.
  2. 2Review the reported fix. Monitor this advisory for an available fix and review any installs of the affected package.

Evidence timeline and material changes

  1. Published upstream

    Aug 13, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Sep 30, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Aug 13, 2026

Sources and claim methodology

  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • Source referencevulncheck.com
Upstream source description

File Browser versions from 2.50.0 through 2.63.21 fail to validate JWT expiration when proxy authentication is configured with a non-default logout page. Attackers with a previously valid token can access protected routes and administrative endpoints indefinitely, and exchange expired tokens for fresh ones via the renewal endpoint.

Quoted source text, attributed separately from HOL analysis.

Record context

Vulnerability class
Missing Auth
EPSS
Not reported
CWE IDs
CWE-613
Source
CVE List V5
Source checked
Nov 11, 2026
References
3 linked sources
Open source record