CVE-2025-62166: FreshRSS is a free, self-hostable RSS aggregator

Q: How do I fix CVE-2025-62166?

freshrss: upgrade to 1.28.0. Exact commands for each OS are on this page.

Q: Is CVE-2025-62166 being exploited?

CVE-2025-62166 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-2025-62166 affect?

CVE-2025-62166 affects freshrss. Severity is high (CVSS 7.5). FreshRSS is a free, self-hostable RSS aggregator. Prior 1.28.0, a bug in the auth logic related to master authentication tokens, this restriction is bypassed. Usually only the default user's feed should be viewable if anonymous viewing is e

Q: How urgent is CVE-2025-62166?

Priority 45/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

This week

HIGH 7.5REMOTEUPGRADE

CVE-2025-62166 is a high-severity flaw (CVSS 7.5) 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. Prior 1.28.0, a bug in the auth logic related to master authentication tokens, this restriction is bypassed. Usually only the default user's feed should be viewable if anonymous viewing is enabled, and feeds of other users should be private. This vulnerability is fixed in 1.28.0.

Why this priority

High severity
Public exploit reference
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.4% (top 66%)
CISA exploited list	No
Weakness	CWE-284, CWE-639
Published	2026-03-09
Last modified	2026-06-17

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

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-03-09 20:16 UTCPublished CVE record published
2026-06-17 09:51 UTCUpdated Record last modified

freshrss freshrss UPGRADE

Affected: < 1.28.0

Fixed in: 1.28.0

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 1.28.0 (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.

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-2025-62166?

freshrss: upgrade to 1.28.0. Exact commands for each OS are on this page.

Is CVE-2025-62166 being exploited?

CVE-2025-62166 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-2025-62166 affect?

CVE-2025-62166 affects freshrss. Severity is high (CVSS 7.5). FreshRSS is a free, self-hostable RSS aggregator. Prior 1.28.0, a bug in the auth logic related to master authentication tokens, this restriction is bypassed. Usually only the default user's feed should be viewable if anonymous viewing is e

How urgent is CVE-2025-62166?

Priority 45/100. High severity; Public exploit reference; 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-2025-54592 CRITICAL 9.8 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

References

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