CVE-2025-27501: OpenZiti is a free and open source project focused on bringing zero trust to any application

Q: How do I fix CVE-2025-27501?

openziti: upgrade to 3.7.1. Exact commands for each OS are on this page.

Q: Is CVE-2025-27501 being exploited?

CVE-2025-27501 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-2025-27501 affect?

CVE-2025-27501 affects openziti. Severity is high (CVSS 8.6). OpenZiti is a free and open source project focused on bringing zero trust to any application. An endpoint on the admin panel can be accessed without any form of authentication. This endpoint accepts a user-supplied URL parameter to connect

Q: How urgent is CVE-2025-27501?

Priority 44/100. High severity; Remotely exploitable, no login, no user action

This month

HIGH 8.6REMOTEUPGRADE

CVE-2025-27501 is a high-severity flaw (CVSS 8.6) affecting openziti. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

OpenZiti is a free and open source project focused on bringing zero trust to any application. An endpoint on the admin panel can be accessed without any form of authentication. This endpoint accepts a user-supplied URL parameter to connect to an OpenZiti Controller and performs a server-side request, resulting in a potential Server-Side Request Forgery (SSRF) vulnerability. The fixed version has moved the request to the external controller from t

Why this priority

High severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	8.6 (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-918
Published	2025-03-03
Last modified	2026-06-17

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

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 19:15 UTCPublished CVE record published
2026-06-17 09:03 UTCUpdated Record last modified

openziti openziti UPGRADE

Affected: < 3.7.1

Fixed in: 3.7.1

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 3.7.1 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade openziti

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-2025-27501?

openziti: upgrade to 3.7.1. Exact commands for each OS are on this page.

Is CVE-2025-27501 being exploited?

CVE-2025-27501 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-2025-27501 affect?

CVE-2025-27501 affects openziti. Severity is high (CVSS 8.6). OpenZiti is a free and open source project focused on bringing zero trust to any application. An endpoint on the admin panel can be accessed without any form of authentication. This endpoint accepts a user-supplied URL parameter to connect

How urgent is CVE-2025-27501?

Priority 44/100. High severity; Remotely exploitable, no login, no user action

Related CVEs

CVE-2025-27500 HIGH 8.2 UPGRADE OpenZiti is a free and open source project focused on bringing zero trust to any application

References

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