CVE-2025-10903Network attack vector

Authenticated service interruption via crafted SCIM input

Published Aug 26, 2026 · Updated Aug 26, 2026

Infinite loop in GitLab EE allows remote authenticated users to interrupt service via crafted SCIM provisioning input. SCIM user-provisioning request processing enters an unbounded loop when specially crafted input reaches the affected path. The request requires authenticated access to the SCIM feature; the loop consumes processing indefinitely and interrupts availability of the GitLab service.

CVSS severity6.5
Medium
EPSS probability0.41%
Next 30 days · Sep 17, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Infinite loop in GitLab EE allows remote authenticated users to interrupt service via crafted SCIM provisioning input. SCIM user-provisioning request processing enters an unbounded loop when specially crafted input reaches the affected path. The request requires authenticated access to the SCIM feature; the loop consumes processing indefinitely and interrupts availability of the GitLab service.

The record

CVE
CVE-2025-10903
Published
Aug 26, 2026
Updated
Aug 26, 2026
Vendor
GitLab
Product
GitLab
Classifications
CWE-835, T1499.004
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Aug 26, 2026CVE publishedPublication date reported by the CVE source.
  2. Aug 26, 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=11.10 <19.1.7
  2. Affected versionversion=19.2 <19.2.5
  3. Affected versionversion=19.3 <19.3.1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

GitLab · GitLabversion=11.10 <19.1.7; version=19.2 <19.2.5; version=19.3 <19.3.1

Published CVSS scores

6.5GitLabCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

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-835Loop with Unreachable Exit Condition ('Infinite Loop')
T1499.004Application or System Exploitation

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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