CVE-2025-7449Network attack vector

Authenticated service interruption via HTTP response processing

Published Nov 26, 2025 · Updated Dec 10, 2025

Resource exhaustion in GitLab CE/EE allows remote authenticated users with specific permissions to interrupt service via HTTP response processing. GitLab has not published the affected code path or the resource that HTTP response processing allocates without an enforced limit. Exploitation requires an authenticated account with specific permissions and affects 8.3 through 18.4.4, 18.5 through 18.5.2, and 18.6.0; the reported consequence is service interruption.

CVSS severity6.5
Medium
EPSS probability0.41%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Resource exhaustion in GitLab CE/EE allows remote authenticated users with specific permissions to interrupt service via HTTP response processing. GitLab has not published the affected code path or the resource that HTTP response processing allocates without an enforced limit. Exploitation requires an authenticated account with specific permissions and affects 8.3 through 18.4.4, 18.5 through 18.5.2, and 18.6.0; the reported consequence is service interruption.

The record

CVE
CVE-2025-7449
Published
Nov 26, 2025
Updated
Dec 10, 2025
Vendor
GitLab
Product
GitLab
Classifications
CWE-770, T1499
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Nov 26, 2025CVE publishedPublication date reported by the CVE source.
  2. Dec 10, 2025Record 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=18.5 <18.5.3
  2. Affected versionversion=18.6 <18.6.1
  3. Affected versionversion=8.3 <18.4.5

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

GitLab · GitLabversion=18.5 <18.5.3; version=18.6 <18.6.1; version=8.3 <18.4.5

Published CVSS scores

6.5GitLab Inc.CVSS: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-770Allocation of Resources Without Limits or Throttling
T1499Endpoint Denial of Service

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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