CVE-2026-16627Network attack vector

Privilege escalation via unsanitized CI job modal

Published Aug 12, 2026 · Updated Aug 12, 2026

Cross-site scripting in GitLab CE/EE 19.2 before 19.2.2 allows remote authenticated users to escalate privileges through a CI job modal. The CI manual-job confirmation modal renders attacker-controlled HTML without adequate sanitization, allowing script execution in another user's browser context. Developer-role access and interaction by another user are required; successful exploitation compromises confidentiality and integrity but does not interrupt service.

CVSS severity7.7
High
EPSS probability0.36%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Cross-site scripting in GitLab CE/EE 19.2 before 19.2.2 allows remote authenticated users to escalate privileges through a CI job modal. The CI manual-job confirmation modal renders attacker-controlled HTML without adequate sanitization, allowing script execution in another user's browser context. Developer-role access and interaction by another user are required; successful exploitation compromises confidentiality and integrity but does not interrupt service.

The record

CVE
CVE-2026-16627
Published
Aug 12, 2026
Updated
Aug 12, 2026
Vendor
GitLab
Product
GitLab
Classifications
CWE-79, T1190
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Aug 12, 2026CVE publishedPublication date reported by the CVE source.
  2. Aug 12, 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=19.2 <19.2.2

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

GitLab · GitLabversion=19.2 <19.2.2

Published CVSS scores

7.7GitLab Inc.CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/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 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1190Exploit Public-Facing Application

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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