CVE-2026-44798Network attack vector

Repository disruption via writable current_head field

Published May 28, 2026 · Updated May 28, 2026

Improper access control in Nautobot before 2.4.33 and 3.0.0a2 through 3.1.1 allows remote authenticated users to disrupt Git repositories. GitRepositorySerializer exposed all model fields without marking current_head read-only, so REST create and update requests could write this sync-managed commit value. GitRepository add or change permission is required; a crafted value can force a stale checkout or leave the local clone unusable.

CVSS severity7.1
High
EPSS probability0.28%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper access control in Nautobot before 2.4.33 and 3.0.0a2 through 3.1.1 allows remote authenticated users to disrupt Git repositories. GitRepositorySerializer exposed all model fields without marking current_head read-only, so REST create and update requests could write this sync-managed commit value. GitRepository add or change permission is required; a crafted value can force a stale checkout or leave the local clone unusable.

The record

CVE
CVE-2026-44798
Published
May 28, 2026
Updated
May 28, 2026
Vendor
Network to Code
Product
Nautobot
Classifications
CWE-471, CWE-749, T1565.001
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. May 28, 2026CVE publishedPublication date reported by the CVE source.
  2. May 28, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=< 2.4.33
  2. Affected versionversion=>= 3.0.0a2, < 3.1.2

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Network to Code · Nautobotversion=< 2.4.33; version=>= 3.0.0a2, < 3.1.2

Published CVSS scores

7.1GitHub, Inc.CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-471Modification of Assumed-Immutable Data (MAID)
CWE-749Exposed Dangerous Method or Function
T1565.001Stored Data Manipulation

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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