CVE-2025-27590: In oxidized-web (aka Oxidized Web) before 0.15.0, the RANCID migration page allows an unauthenticated user to

Q: How do I fix CVE-2025-27590?

oxidized web: upgrade to 0.15.0. Exact commands for each OS are on this page.

Q: Is CVE-2025-27590 being exploited?

CVE-2025-27590 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-2025-27590 affect?

CVE-2025-27590 affects oxidized web. Severity is critical (CVSS 9.0). In oxidized-web (aka Oxidized Web) before 0.15.0, the RANCID migration page allows an unauthenticated user to gain control over the Linux user account that is running oxidized-web.

Q: How urgent is CVE-2025-27590?

Priority 61/100. Critical severity; EPSS top 2%: very likely to be exploited; Remotely exploitable, no login, no user action

This week

CRITICAL 9.0REMOTEUPGRADE

CVE-2025-27590 is a critical-severity flaw (CVSS 9.0) affecting oxidized web. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

In oxidized-web (aka Oxidized Web) before 0.15.0, the RANCID migration page allows an unauthenticated user to gain control over the Linux user account that is running oxidized-web.

Why this priority

Critical severity
EPSS top 2%: very likely to be exploited
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.0 (Critical)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	None
User interaction	None
EPSS exploit chance	27.6% (top 2%)
CISA exploited list	No
Weakness	CWE-22
Published	2025-03-03
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: oxidized web project

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

Am I affected?

Timeline

2025-03-03 04:15 UTCPublished CVE record published
2026-06-17 09:03 UTCUpdated Record last modified

oxidized web project oxidized web UPGRADE

Affected: < 0.15.0

Fixed in: 0.15.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy oxidized-web || rpm -q oxidized-web || oxidized-web --version

2. UPGRADE to 0.15.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade oxidized-web

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade oxidized-web

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-2025-27590?

oxidized web: upgrade to 0.15.0. Exact commands for each OS are on this page.

Is CVE-2025-27590 being exploited?

CVE-2025-27590 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-2025-27590 affect?

CVE-2025-27590 affects oxidized web. Severity is critical (CVSS 9.0). In oxidized-web (aka Oxidized Web) before 0.15.0, the RANCID migration page allows an unauthenticated user to gain control over the Linux user account that is running oxidized-web.

How urgent is CVE-2025-27590?

Priority 61/100. Critical severity; EPSS top 2%: very likely to be exploited; Remotely exploitable, no login, no user action

References

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