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CERTFR-2026-AVI-0946
Vulnerability from certfr_avis - Published: 2026-07-30 - Updated: 2026-07-30
De multiples vulnérabilités ont été découvertes dans GitLab. Certaines d'entre elles permettent à un attaquant de provoquer un déni de service à distance, une atteinte à la confidentialité des données et une injection de code indirecte à distance (XSS).
Solutions
Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).
Impacted products
| Vendor | Product | Description | ||
|---|---|---|---|---|
| GitLab | GitLab Community Edition (CE) et Gitlab Enterprise Edition (EE) | GitLab Community Edition (CE) et Enterprise Edition (EE) versions 19.2.x antérieures à 19.2.1 | ||
| GitLab | GitLab Community Edition (CE) et Gitlab Enterprise Edition (EE) | GitLab Community Edition (CE) et Enterprise Edition (EE) versions antérieures à 19.0.5 | ||
| GitLab | GitLab Community Edition (CE) et Gitlab Enterprise Edition (EE) | GitLab Community Edition (CE) et Enterprise Edition (EE) versions 19.1.x antérieures à 19.1.3 |
References
| Title | Publication Time | Tags | |||
|---|---|---|---|---|---|
|
|||||
{
"$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
"affected_systems": [
{
"description": "GitLab Community Edition (CE) et Enterprise Edition (EE) versions 19.2.x ant\u00e9rieures \u00e0 19.2.1",
"product": {
"name": "GitLab Community Edition (CE) et Gitlab Enterprise Edition (EE)",
"vendor": {
"name": "GitLab",
"scada": false
}
}
},
{
"description": "GitLab Community Edition (CE) et Enterprise Edition (EE) versions ant\u00e9rieures \u00e0 19.0.5",
"product": {
"name": "GitLab Community Edition (CE) et Gitlab Enterprise Edition (EE)",
"vendor": {
"name": "GitLab",
"scada": false
}
}
},
{
"description": "GitLab Community Edition (CE) et Enterprise Edition (EE) versions 19.1.x ant\u00e9rieures \u00e0 19.1.3",
"product": {
"name": "GitLab Community Edition (CE) et Gitlab Enterprise Edition (EE)",
"vendor": {
"name": "GitLab",
"scada": false
}
}
}
],
"affected_systems_content": "",
"content": "## Solutions\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des correctifs (cf. section Documentation).",
"cves": [
{
"name": "CVE-2026-14351",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-14351"
},
{
"name": "CVE-2026-3093",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-3093"
},
{
"name": "CVE-2026-16553",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-16553"
},
{
"name": "CVE-2026-6336",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-6336"
},
{
"name": "CVE-2026-15975",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-15975"
},
{
"name": "CVE-2025-14562",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-14562"
},
{
"name": "CVE-2026-15831",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-15831"
},
{
"name": "CVE-2026-6267",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-6267"
},
{
"name": "CVE-2026-13113",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-13113"
},
{
"name": "CVE-2026-14341",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-14341"
},
{
"name": "CVE-2026-12436",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-12436"
},
{
"name": "CVE-2026-4672",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-4672"
},
{
"name": "CVE-2026-15077",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-15077"
}
],
"initial_release_date": "2026-07-30T00:00:00",
"last_revision_date": "2026-07-30T00:00:00",
"links": [],
"reference": "CERTFR-2026-AVI-0946",
"revisions": [
{
"description": "Version initiale",
"revision_date": "2026-07-30T00:00:00.000000"
}
],
"risks": [
{
"description": "D\u00e9ni de service \u00e0 distance"
},
{
"description": "Injection de code indirecte \u00e0 distance (XSS)"
},
{
"description": "Contournement de la politique de s\u00e9curit\u00e9"
},
{
"description": "Atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es"
}
],
"summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9couvertes dans GitLab. Certaines d\u0027entre elles permettent \u00e0 un attaquant de provoquer un d\u00e9ni de service \u00e0 distance, une atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es et une injection de code indirecte \u00e0 distance (XSS).",
"title": "Multiples vuln\u00e9rabilit\u00e9s dans GitLab",
"vendor_advisories": [
{
"published_at": "2026-07-29",
"title": "Bulletin de s\u00e9curit\u00e9 GitLab",
"url": "https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-2-1-released/"
}
]
}
CVE-2025-14562 (GCVE-0-2025-14562)
Vulnerability from cvelistv5 – Published: 2026-07-29 19:02 – Updated: 2026-07-29 19:33
VLAI
EPSS
VEX
Title
Incorrect Authorization in GitLab
Summary
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 10.6 before 19.0.5, 19.1 before 19.1.3, and 19.2 before 19.2.1 that under certain conditions could have allowed an authenticated user with developer-role permissions to commit changes to a project after being removed as a member, due to improper authorization checks on merge request collaboration settings.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-863 - Incorrect Authorization
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://hackerone.com/reports/3460445 | technical-descriptionexploitpermissions-required |
| https://gitlab.com/gitlab-org/gitlab/-/work_items… | |
| https://docs.gitlab.com/releases/patches/patch-re… |
Impacted products
Credits
Thanks [theluci](https://hackerone.com/theluci) for reporting this vulnerability through our HackerOne bug bounty program
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CVE-2026-12436 (GCVE-0-2026-12436)
Vulnerability from cvelistv5 – Published: 2026-07-29 19:00 – Updated: 2026-07-30 03:55
VLAI
EPSS
VEX
Title
Improperly Controlled Modification of Dynamically-Determined Object Attributes in GitLab
Summary
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.0 before 19.0.5, 19.1 before 19.1.3, and 19.2 before 19.2.1 that under certain conditions could have allowed an authenticated user to modify CI/CD configuration belonging to another user due to improper validation of user-supplied attributes when processing pipeline schedule inputs.
Severity
8.4 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-915 - Improperly Controlled Modification of Dynamically-Determined Object Attributes
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://gitlab.com/gitlab-org/gitlab/-/work_items… | |
| https://hackerone.com/reports/3800511 | technical-descriptionexploitpermissions-required |
| https://docs.gitlab.com/releases/patches/patch-re… |
Impacted products
Credits
Thanks [a0xnirudh](https://hackerone.com/a0xnirudh) for reporting this vulnerability through our HackerOne bug bounty program
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CVE-2026-13113 (GCVE-0-2026-13113)
Vulnerability from cvelistv5 – Published: 2026-07-29 19:00 – Updated: 2026-07-29 19:43
VLAI
EPSS
VEX
Title
Time-of-check Time-of-use (TOCTOU) Race Condition in GitLab
Summary
GitLab has remediated an issue in GitLab EE affecting all versions from 17.0 before 19.0.5, 19.1 before 19.1.3, and 19.2 before 19.2.1 that under certain conditions could have allowed an authenticated user to merge code into a protected branch without the required approvals due to a race condition in approval rule processing.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-367 - Time-of-check Time-of-use (TOCTOU) Race Condition
Assigner
References
Impacted products
Credits
This vulnerability has been discovered internally by GitLab team member Niklas Janz
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CVE-2026-14341 (GCVE-0-2026-14341)
Vulnerability from cvelistv5 – Published: 2026-07-29 19:00 – Updated: 2026-07-29 19:45
VLAI
EPSS
VEX
Title
Missing Authorization in GitLab
Summary
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 12.8 before 19.0.5, 19.1 before 19.1.3, and 19.2 before 19.2.1 that under certain conditions could have allowed an authenticated user with Maintainer role to modify protected branch configuration due to improper authorization in a projects API endpoint.
Severity
4.9 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-862 - Missing Authorization
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://gitlab.com/gitlab-org/gitlab/-/work_items… | |
| https://hackerone.com/reports/3807593 | technical-descriptionexploitpermissions-required |
| https://docs.gitlab.com/releases/patches/patch-re… |
Impacted products
Credits
Thanks [slide123](https://hackerone.com/slide123) for reporting this vulnerability through our HackerOne bug bounty program
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CVE-2026-14351 (GCVE-0-2026-14351)
Vulnerability from cvelistv5 – Published: 2026-07-29 19:00 – Updated: 2026-07-29 19:33
VLAI
EPSS
VEX
Title
Exposure of Sensitive Information Through Metadata in GitLab
Summary
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 8.8 before 19.0.5, 19.1 before 19.1.3, and 19.2 before 19.2.1 that under certain conditions could have allowed an unauthenticated user to view the title of a confidential issue through a publicly accessible merge request due to improper authorization checks.
Severity
4.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-1230 - Exposure of Sensitive Information Through Metadata
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://gitlab.com/gitlab-org/gitlab/-/work_items… | |
| https://hackerone.com/reports/3708242 | technical-descriptionexploitpermissions-required |
| https://docs.gitlab.com/releases/patches/patch-re… |
Impacted products
Credits
Thanks [toofikz](https://hackerone.com/toofikz) for reporting this vulnerability through our HackerOne bug bounty program
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CVE-2026-15077 (GCVE-0-2026-15077)
Vulnerability from cvelistv5 – Published: 2026-07-29 19:00 – Updated: 2026-07-29 19:33
VLAI
EPSS
VEX
Title
Improper Neutralization of Input Used for LLM Prompting in GitLab
Summary
GitLab has remediated an issue in GitLab EE affecting all versions from 19.1 before 19.1.3 and 19.2 before 19.2.1 that under certain conditions could have allowed an authenticated user to access information from unauthorized projects due to improper neutralization of untrusted content processed by the AI-assisted code review functionality.
Severity
4.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-1427 - Improper Neutralization of Input Used for LLM Prompting
Assigner
References
Impacted products
Credits
This vulnerability has been discovered internally by GitLab team member Mike Wronski
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CVE-2026-15831 (GCVE-0-2026-15831)
Vulnerability from cvelistv5 – Published: 2026-07-29 19:00 – Updated: 2026-07-29 19:32
VLAI
EPSS
VEX
Title
Generation of Incorrect Security Tokens in GitLab
Summary
GitLab has remediated an issue in GitLab EE affecting all versions from 19.1 before 19.1.3 and 19.2 before 19.2.1 that under certain conditions could have allowed an authenticated user to bypass administrator-configured tool governance policies due to improper authorization enforcement during token generation.
Severity
4.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-1270 - Generation of Incorrect Security Tokens
Assigner
References
Impacted products
Credits
This vulnerability has been discovered internally by GitLab team member Dennis Appelt
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CVE-2026-15975 (GCVE-0-2026-15975)
Vulnerability from cvelistv5 – Published: 2026-07-29 18:59 – Updated: 2026-07-29 19:32
VLAI
EPSS
VEX
Title
Allocation of Resources Without Limits or Throttling in GitLab
Summary
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 11.8 before 19.0.5, 19.1 before 19.1.3, and 19.2 before 19.2.1 that under certain conditions could have allowed an unauthenticated user to cause a denial of service due to insufficient resource throttling when processing merge request discussions.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-770 - Allocation of Resources Without Limits or Throttling
Assigner
References
Impacted products
Credits
This vulnerability has been discovered internally by GitLab team member Hordur Freyr Yngvason
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CVE-2026-16553 (GCVE-0-2026-16553)
Vulnerability from cvelistv5 – Published: 2026-07-29 18:59 – Updated: 2026-07-29 19:31
VLAI
EPSS
VEX
Title
Insufficiently Protected Credentials in GitLab
Summary
GitLab has remediated an issue in GitLab EE affecting all versions from 18.8 before 19.0.5, 19.1 before 19.1.3, and 19.2 before 19.2.1 that under certain conditions could have allowed some sensitive information to be disclosed to an unintended host due to improper handling of upstream requests in virtual registries.
Severity
5.4 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-522 - Insufficiently Protected Credentials
Assigner
References
Impacted products
Credits
This vulnerability has been discovered internally by GitLab team member Fiona McCawley
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CVE-2026-3093 (GCVE-0-2026-3093)
Vulnerability from cvelistv5 – Published: 2026-07-29 19:02 – Updated: 2026-07-29 19:34
VLAI
EPSS
VEX
Title
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLab
Summary
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 14.0 before 19.0.5, 19.1 before 19.1.3, and 19.2 before 19.2.1 that under certain conditions could have allowed an attacker to execute arbitrary JavaScript in another user's browser via a crafted URL, due to improper sanitization of user-controlled input.
Severity
4.7 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://hackerone.com/reports/3539833 | technical-descriptionexploitpermissions-required |
| https://gitlab.com/gitlab-org/gitlab/-/work_items… | |
| https://docs.gitlab.com/releases/patches/patch-re… |
Impacted products
Credits
Thanks [go7f0](https://hackerone.com/go7f0) for reporting this vulnerability through our HackerOne bug bounty program
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Trend slope:
-
(linear fit over daily sighting counts)
Show additional events:
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
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