---
title: "CVE-2026-44544\n    | Ubuntu"
description: Ubuntu is an open source software operating system that runs from the
  desktop, to the cloud, to all your internet connected things.
url: https://ubuntu.com/security/CVE-2026-44544?format=md
keywords: index, follow
---

# CVE-2026-44544

Publication date 14 May 2026

Last updated 10 July 2026

---

Ubuntu priority

**Medium**

[Why this priority?](https://ubuntu.com/security/cves/about#priority )

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## Description

gittuf is a platform-agnostic Git security system. Prior to 0.14.0, an
attacker with push access to gittuf's Reference State Log (RSL) can roll
back the current policy to any previous policy trusted by the current set
of root keys. gittuf determines the policy to load by inspecting the RSL.
Except for the very first policy (which is automatically trusted given
gittuf's TOFU model, or verified against manually specified keys), whenever
an RSL entry that points to a new policy is encountered, gittuf validates
that this policy is trusted. This is done by checking that the new policy’s
root metadata is signed by the required threshold of the current policy's
root keys. Because of this, an attacker with push access to the RSL may
create a new entry that references an old policy (that is trusted by the
most recent policy's set of root keys), thereby rolling back gittuf's
policy to the attacker's chosen state. This vulnerability is fixed in
0.14.0.

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| gittuf | 26.04 LTS resolute | Needs evaluation |
| 25.10 questing | Ignored end of life, was needs-triage |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |

---

* [How can I get the fixes?](https://ubuntu.com/security/cves/about#security)
* [What do statuses mean?](https://ubuntu.com/security/cves/about#statuses)

## Severity score breakdown

CVSS version:
CVSS v4.0

**Base score**

4.9 · Medium

* Base metrics

  | Parameter | Value |
  | --- | --- |
  | Attack vector | Network |
  | Attack complexity | High |
  | Attack requirements | Present |
  | Privileges required | Low |
  | User interaction | None |
  | Vulnerable system - Confidentiality impact | None |
  | Vulnerable system - Integrity impact | None |
  | Vulnerable system - Availability impact | None |
  | Subsequent system - Confidentiality impact | None |
  | Subsequent system - Integrity impact | High |
  | Subsequent system - Availability impact | None |
* Scores

  | Parameter | Value |
  | --- | --- |
  | Base score | 4.9 · Medium |
  | Base + Threat score | - |
  | Base + Environmental score | - |
  | Base + Threat + Environmental score | - |

**Vector:** CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:N/SI:H/SA:N

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-44544)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2026-44544)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2026-44544)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2026-44544)

### Other references

* <https://www.cve.org/CVERecord?id=CVE-2026-44544>
* <https://github.com/gittuf/gittuf/security/advisories/GHSA-vxvc-cg7j-rwqj>
* <https://github.com/gittuf/gittuf/commit/dd76efa505f9137a4a9a625c5ac67b333365a1b8>