CVE-2025-54592: FreshRSS is a free, self-hostable RSS aggregator

Q: How do I fix CVE-2025-54592?

freshrss: upgrade to 1.27.0. Exact commands for each OS are on this page.

Q: Is CVE-2025-54592 being exploited?

CVE-2025-54592 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2025-54592 affect?

CVE-2025-54592 affects freshrss. Severity is critical (CVSS 9.8). FreshRSS is a free, self-hostable RSS aggregator. Versions 1.26.3 and below do not properly terminate the session during logout. After a user logs out, the session cookie remains active and unchanged. The unchanged cookie could be reused by

Q: How urgent is CVE-2025-54592?

Priority 58/100. Critical severity; Public exploit reference; CISA SSVC: automatable with total technical impact; Remotely exploitable, no login, no user action

This week

CRITICAL 9.8REMOTEUPGRADE

CVE-2025-54592 is a critical-severity flaw (CVSS 9.8) affecting freshrss. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

FreshRSS is a free, self-hostable RSS aggregator. Versions 1.26.3 and below do not properly terminate the session during logout. After a user logs out, the session cookie remains active and unchanged. The unchanged cookie could be reused by an attacker if a new session were to be started. This failure to invalidate the session can lead to session hijacking and fixation vulnerabilities. This issue is fixed in version 1.27.0

Why this priority

Critical severity
Public exploit reference
CISA SSVC: automatable with total technical impact
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.5% (top 55%)
CISA exploited list	No
Weakness	CWE-613
Published	2025-09-29
Last modified	2026-10-19

Publisher (CNA): GitHub, Inc. · Vendor: freshrss

Last updated 2026-10-19 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-09-29 22:15 UTCPublished CVE record published
2026-10-19 16:10 UTCUpdated Record last modified

freshrss freshrss UPGRADE

Affected: < 1.27.0

Fixed in: 1.27.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy freshrss || rpm -q freshrss || freshrss --version

2. UPGRADE to 1.27.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade freshrss

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade freshrss

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Exact fixes by distribution

Fedora 46 · pipx · FIXED · 1.18.9-1.fc46 · FEDORA-2026-95305954ab · source

sudo dnf upgrade --advisory=FEDORA-2026-95305954ab

Fedora ELN · libisds · FIXED · 0.11.2-19.eln159 · FEDORA-2026-bf61b68668 · source

sudo dnf upgrade --advisory=FEDORA-2026-bf61b68668

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Write-up: github.com/FreshRSS/FreshRSS/security/advisories/GHSA-42v4-65f8-5wgr

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-54592?

freshrss: upgrade to 1.27.0. Exact commands for each OS are on this page.

Is CVE-2025-54592 being exploited?

CVE-2025-54592 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-54592 affect?

CVE-2025-54592 affects freshrss. Severity is critical (CVSS 9.8). FreshRSS is a free, self-hostable RSS aggregator. Versions 1.26.3 and below do not properly terminate the session during logout. After a user logs out, the session cookie remains active and unchanged. The unchanged cookie could be reused by

How urgent is CVE-2025-54592?

Priority 58/100. Critical severity; Public exploit reference; CISA SSVC: automatable with total technical impact; Remotely exploitable, no login, no user action

Related CVEs

CVE-2025-61586 MEDIUM 5.3 UPGRADE FreshRSS is a free, self-hostable RSS aggregator
CVE-2025-54875 CRITICAL 9.8 UPGRADE FreshRSS is a free, self-hostable RSS aggregator
CVE-2025-54591 HIGH 7.5 UPGRADE FreshRSS is a free, self-hostable RSS aggregator
CVE-2025-59948 MEDIUM 6.7 UPGRADE FreshRSS is a free, self-hostable RSS aggregator
CVE-2025-59950 MEDIUM 6.7 UPGRADE FreshRSS is a free, self-hostable RSS aggregator

References

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