CVE-2026-44798

Nautobot: GitRepository.current_head field should not be writable through REST API

State
Published
Severity
7.1 High
Published
May 28, 2026
Updated
May 28, 2026
Reserved
May 7, 2026

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Description

Nautobot is a Network Source of Truth and Network Automation Platform. Prior to 2.4.33 and 3.1.2, a user with access to add/change a GitRepository record could use the REST API to directly set the current_head field on the record, which was not intended to be user-editable. Doing so could cause Nautobot's local clone(s) of the relevant repository to checkout a commit other than the latest commit on the specified branch (resulting in misleading state), or potentially to be unable to make use of the repository at all (until manually remediated) due to the current_head pointing to a nonexistent commit hash or malformed value. This vulnerability is fixed in 2.4.33 and 3.1.2.

Scores

CVSSScoreVectorSource
3.17.1 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:HGitHub_M

Weaknesses

  • CWE-471 Modification of Assumed-Immutable Data (MAID)
  • CWE-749 Exposed Dangerous Method or Function

Affected Products

ProductVersions
nautobotnautobot
  • >= 3.0.0a2, < 3.1.2Affected
  • < 2.4.33Affected

References

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