CVE-2026-6883Network attack vector

Approval bypass via orphaned policy record cleanup

Published May 14, 2026 · Updated May 14, 2026

Missing authorization in affected GitLab EE releases allows remote authenticated users to bypass merge request approval requirements. The cleanup path mishandles orphaned policy records, leaving approval enforcement without the authorization state needed to block an unapproved merge. Exploitation requires an authenticated account, an applicable approval-policy workflow, and user interaction; the bounded consequence is an otherwise unapproved merge.

CVSS severity2.6
Low
EPSS probability0.16%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Missing authorization in affected GitLab EE releases allows remote authenticated users to bypass merge request approval requirements. The cleanup path mishandles orphaned policy records, leaving approval enforcement without the authorization state needed to block an unapproved merge. Exploitation requires an authenticated account, an applicable approval-policy workflow, and user interaction; the bounded consequence is an otherwise unapproved merge.

The record

CVE
CVE-2026-6883
Published
May 14, 2026
Updated
May 14, 2026
Vendor
GitLab
Product
GitLab
Classifications
CWE-862, T1562.001
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. May 14, 2026CVE publishedPublication date reported by the CVE source.
  2. May 14, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

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

  1. Affected versionversion=15.7 <18.9.7
  2. Affected versionversion=18.10 <18.10.6
  3. Affected versionversion=18.11 <18.11.3

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

GitLab · GitLabversion=15.7 <18.9.7; version=18.10 <18.10.6; version=18.11 <18.11.3

Published CVSS scores

2.6GitLabCVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:L/A:N
4.3NIST NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

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-862Missing Authorization
T1562.001Impair Defenses: Disable or Modify Tools

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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