Server-Side Request Forgery (SSRF) Affecting idm-pki-base package, versions *


Severity

Recommended
0.0
medium
0
10

Based on CentOS security rating.

Threat Intelligence

EPSS
0.2% (10th percentile)

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  • Snyk IDSNYK-CENTOS8-IDMPKIBASE-18483929
  • published31 Jul 2026
  • disclosed30 Jul 2026

Introduced: 30 Jul 2026

NewCVE-2026-18369  (opens in a new tab)
CWE-918  (opens in a new tab)

How to fix?

There is no fixed version for Centos:8 idm-pki-base.

NVD Description

Note: Versions mentioned in the description apply only to the upstream idm-pki-base package and not the idm-pki-base package as distributed by Centos. See How to fix? for Centos:8 relevant fixed versions and status.

A flaw was found in Dogtag PKI's ACME responder where the HTTP-01 challenge validator accepts IP address literals as dns identifiers and follows HTTP redirects without validating that the target is a public address. An unauthenticated ACME account holder can exploit this to perform server-side request forgery (SSRF), making the Dogtag server send HTTP GET requests to internal network services. With the InMemory database backend, the response body of internal targets is disclosed to the attacker through the ACME challenge error.

CVSS Base Scores

version 3.1