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CVE-2026-2377: Server-Side Request Forgery (SSRF) in Red Hat Red Hat Quay 3.16

0
Medium
VulnerabilityCVE-2026-2377cvecve-2026-2377
Published: Wed Apr 08 2026 (04/08/2026, 16:26:07 UTC)
Source: CVE Database V5
Vendor/Project: Red Hat
Product: Red Hat Quay 3.16

Description

A flaw was found in mirror-registry. Authenticated users can exploit the log export feature by providing a specially crafted web address (URL). This allows the application's backend to make arbitrary requests to internal network resources, a vulnerability known as Server-Side Request Forgery (SSRF). This could lead to unauthorized access to sensitive information or other internal systems.

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 05/20/2026, 18:16:16 UTC

Technical Analysis

A Server-Side Request Forgery (SSRF) vulnerability (CVE-2026-2377) exists in Red Hat Quay 3.16's mirror-registry component. Authenticated users can exploit the log export feature by providing a specially crafted URL, causing the backend to make arbitrary HTTP requests to internal network resources. This could lead to unauthorized access to sensitive information within the internal network. The vulnerability has a CVSS v3.1 base score of 6.5 (medium severity) with network attack vector, low attack complexity, and requiring privileges but no user interaction. Red Hat has published an advisory and released Red Hat Quay 3.16.4 which includes fixes for this issue. The product is not a cloud service, so remediation requires applying the update. No exploits in the wild are currently known.

Potential Impact

Successful exploitation allows an authenticated user to cause the backend of Red Hat Quay 3.16 to make arbitrary requests to internal network resources, potentially exposing sensitive internal information. The impact is limited to confidentiality as per the CVSS vector (C:H/I:N/A:N). There is no indication of integrity or availability impact. No known active exploitation has been reported.

Mitigation Recommendations

Red Hat has released Red Hat Quay 3.16.4 which includes a fix for CVE-2026-2377. Users should apply this update after ensuring all previously released errata relevant to their system have been applied. The vendor advisory (https://access.redhat.com/errata/RHSA-2026:19375) provides detailed update instructions. Since this is not a cloud service, remediation requires manual patching by the user. No additional mitigations or workarounds are specified in the advisory.

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Technical Details

Data Version
5.2
Assigner Short Name
redhat
Date Reserved
2026-02-11T20:57:59.704Z
Cvss Version
3.1
State
PUBLISHED
Remediation Level
null
Vendor Advisory Urls
[{"url":"https://access.redhat.com/security/cve/CVE-2026-2377","vendor":"Red Hat"}]

Threat ID: 69d6aa921cc7ad14daa3e922

Added to database: 4/8/2026, 7:20:50 PM

Last enriched: 5/20/2026, 6:16:16 PM

Last updated: 5/23/2026, 3:12:33 PM

Views: 92

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