CVE-2019-15594Network attack vector

Restricted pipeline disclosure via wrong project authorization

Published Feb 14, 2020 · Updated Aug 5, 2024

Information disclosure in GitLab 12.1.2 allows remote authenticated users to read restricted pipeline details through a merge request endpoint. MergeRequestsController#pipelines uses the wrong project as its permission reference when returning the merge request's head pipeline. Access to the merge request is sufficient even when the user lacks permission to read the associated restricted pipeline.

CVSS severity4.3
Medium
EPSS probability0.81%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Information disclosure in GitLab 12.1.2 allows remote authenticated users to read restricted pipeline details through a merge request endpoint. MergeRequestsController#pipelines uses the wrong project as its permission reference when returning the merge request's head pipeline. Access to the merge request is sufficient even when the user lacks permission to read the associated restricted pipeline.

The record

CVE
CVE-2019-15594
Published
Feb 14, 2020
Updated
Aug 5, 2024
Vendor
GitLab
Product
GitLab
Classifications
CWE-200, T1213.003
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Feb 14, 2020CVE publishedPublication date reported by the CVE source.
  2. Aug 5, 2024Record 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=12.1.2

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

GitLab · GitLabversion=12.1.2

Published CVSS scores

4.3NIST NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
4.0NIST NVDAV:N/AC:L/Au:S/C:P/I:N/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-200Exposure of Sensitive Information to an Unauthorized Actor
T1213.003Data from Information Repositories: Code Repositories

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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