CVE-2026-15975

highpriority · track · 0EPSS 0.005 · 43 %ileDEEUNLUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.51% (43rd) EPSS

CVSS 7.5 · high

Is it mine?

16 products

Check your exposure

Who says so?

6 sources

cnnvd · enisa_euvd · cert_bund · ncsc_nl

EPSS · scored 2026-10-27

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.

cvss

Technical severity, 0–10. One row per scoring source.

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.9–7.5

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · ENISA EU

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · cve@gitlab.comexploitability 3.9 · impact 3.6

v3.16.9mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · NCSC-NL NL

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: yes · Technical Impact: partialcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-770USprimaryCWE-770US

affected products (16)

Products and version ranges known to be affected.

Open Source GitLab <19.0.5all versionscert_bundDE
Open Source GitLab <19.1.3all versionscert_bundDE
Open Source GitLab <19.2.1all versionscert_bundDE
Open Source GitLab< 19.0.5cert_bundDE
Open Source GitLab< 19.1.3cert_bundDE
Open Source GitLab< 19.2.1cert_bundDE
GitLab GitLab11.8 → 19.0.5enisa_euvdEU
GitLab GitLab19.1 → 19.1.3enisa_euvdEU
GitLab GitLab19.2 → 19.2.1enisa_euvdEU
GitLab GitLab≤ vers:unknown/*ncsc_nlNL
gitlab gitlab11.8.0 → 19.0.5nvdUScpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*
gitlab gitlab19.1.0 → 19.1.3nvdUScpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*
gitlab gitlab= 19.2.0nvdUScpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*
Bitnami gitlab11.8.0 → 19.0.5osvUSpkg:bitnami/gitlab
Bitnami gitlab19.1.0 → 19.1.3osvUSpkg:bitnami/gitlab
Bitnami gitlab19.2.0 → 19.2.1osvUSpkg:bitnami/gitlab

advisories (3)

Vendor and ecosystem advisories describing this.

NCSC-2026-0270Kwetsbaarheden verholpen in GitLab door GitLab Inc.NL2026-07-30csaf · ncsc_nlNL
GitLab Inc. heeft meerdere kwetsbaarheden verholpen in GitLab, specifiek in versies voorafgaand aan 19.0.5, 19.1.3 en 19.2.1, inclusief GitLab Enterprise Edition (EE) versies binnen deze reeksen.
WID-SEC-W-2026-2586GitLab: Mehrere SchwachstellenDeutsch2026-07-29csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in GitLab ausnutzen, um Sicherheitsmaßnahmen zu umgehen, Cross-Site-Scripting-Angriffe durchzuführen, Daten zu manipulieren, vertrauliche Informationen offenzulegen oder einen Denial-of-Service-Zustand auszulösen.
BIT-gitlab-2026-15975Allocation of Resources Without Limits or Throttling in GitLab2026-08-17vendor · osvUS
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.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cert_bund ncsc_nl nvd osv NVD CVE.org MITRE

published 2026-07-29modified 2026-08-03

related (3,268)

Related entries.

ID	severity	EPSS	exploitable	published
CVE-2025-53521US	—OT critical	2.30% (83rd)	KEV	2025-10-15
When a BIG-IP APM access policy is configured on a virtual server, specific malicious traffic can lead to Remote Code Execution (RCE). Note: Software versions which have reached…
CVE-2022-22963US	critical9.8OT critical	99.9% (100th)	KEV	2022-04-01
In Spring Cloud Function versions 3.1.6, 3.2.2 and older unsupported versions, when using routing functionality it is possible for a user to provide a specially crafted SpEL as a r…
CVE-2020-3569US	high8.6OT critical	3.32% (89th)	KEV	2020-09-23
Multiple vulnerabilities in the Distance Vector Multicast Routing Protocol (DVMRP) feature of Cisco IOS XR Software could allow an unauthenticated, remote attacker to either immedi…
CVE-2020-3566US	high8.6OT critical	3.70% (90th)	KEV	2020-08-29
A vulnerability in the Distance Vector Multicast Routing Protocol (DVMRP) feature of Cisco IOS XR Software could allow an unauthenticated, remote attacker to exhaust process memory…
CVE-2023-50387US	high7.5	100.0% (100th)	Exploit	2024-02-14
Certain DNSSEC aspects of the DNS protocol (in RFC 4033, 4034, 4035, 6840, and related RFCs) allow remote attackers to cause a denial of service (CPU consumption) via one or more D…

+3263 more

references (6)

External citations — patches, advisories, analysis.

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan