How to fix EUVD-2025-18171?

Within 24 hours: inventory all GitLab instances and versions in use; implement network-level rate limiting on redirect responses; restrict GitLab access to necessary users only. Within 7 days: deploy compensating controls via WAF or reverse proxy to block malicious redirect patterns; establish monitoring for redirect loop indicators. Within 30 days: upgrade to patched versions (17.10.8, 17.11.4, or 18.0.2+) as patches become available; validate post-upgrade functionality.

Is Open Redirect affected by EUVD-2025-18171?

GitLab instances running versions 17.7-17.10.7, 17.11-17.11.3, or 18.0-18.0.1 are vulnerable to an infinite redirect loop attack that can render the application unavailable to legitimate users.

EUVD-2025-18171

| CVE-2025-0673 HIGH

2025-06-12 [email protected]

7.5

CVSS 3.1

CVSS Vector

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

Patch Released

Mar 31, 2026 - 21:13 nvd

Patch available

EUVD ID Assigned

Mar 14, 2026 - 21:20 euvd

EUVD-2025-18171

Analysis Generated

Mar 14, 2026 - 21:20 vuln.today

PoC Detected

Aug 08, 2025 - 18:21 vuln.today

Public exploit code

CVE Published

Jun 12, 2025 - 11:15 nvd

HIGH 7.5

Description

An issue has been discovered in GitLab CE/EE affecting all versions from 17.7 before 17.10.8, 17.11 before 17.11.4, and 18.0 before 18.0.2, allow an attacker to trigger an infinite redirect loop, potentially leading to a denial of service condition.

Analysis

A denial of service vulnerability in GitLab CE/EE affecting all (CVSS 7.5) that allows an attacker. Risk factors: public PoC available.

Technical Context

Vulnerability type: denial of service. CVSS 7.5 indicates high severity. Affects GitLab CE/EE affecting all.

Affected Products

['GitLab CE/EE affecting all']

Remediation

Monitor vendor channels for patch availability.

Priority Score

Low Medium High Critical

KEV: 0

EPSS: +0.0

CVSS: +38

POC: +20

Vendor Status

Ubuntu

Priority: Medium

gitlab

Release	Status	Version
noble	DNE	-
oracular	DNE	-
plucky	DNE	-
upstream	needs-triage	-
xenial	ignored	-
jammy	DNE	-

Debian

gitlab

Release	Status	Fixed Version	Urgency
sid	fixed	17.6.5-19	-
(unstable)	not-affected	-	-

EUVD-2025-18171 vulnerability details – vuln.today

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EUVD-2025-18171

CVSS Vector

Lifecycle Timeline

Tags

Description

Analysis

Technical Context

Affected Products

Remediation

Priority Score

Vendor Status

Ubuntu

Debian

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EUVD-2025-18171

CVSS Vector

Lifecycle Timeline

Tags

Description

Analysis

Technical Context

Affected Products

Remediation

Priority Score

Vendor Status

Ubuntu

Debian

Share

External POC / Exploit Code