---
title: "CVE-2026-104988: Dogtag PKI - Authentication Bypass"
description: "Dogtag PKI pki-core contains a broken authentication caused by CMCAuthForEST plugin failing open on EST fullcmc enrollment requests without end-user TLS client certificate, letting authenticated EST users obtain CA-signed certificates with arbitrary subject names, exploit requires authentication."
url: https://panop.io/threat-heartbeat/CVE-2026-104988/
---

# CVE-2026-104988 Dogtag PKI - Authentication Bypass

Dogtag PKI pki-core contains a broken authentication caused by CMCAuthForEST plugin failing open on EST fullcmc enrollment requests without end-user TLS client certificate, letting authenticated EST users obtain CA-signed certificates with arbitrary subject names, exploit requires authentication.

CVSS base score 8.1 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Required

EPSS

0.20% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-104988)

## Details

Type

Authentication Bypass

Impact

Broken Authentication

CVSS vector

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

Published

2 October 2026

Updated

15 October 2026

Weakness

[CWE-290](https://cwe.mitre.org/data/definitions/290.html)

## Vendor fix

Update to the latest version containing the fix.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-104988](https://nvd.nist.gov/vuln/detail/CVE-2026-104988)
- [https://access.redhat.com/security/cve/CVE-2026-104988](https://access.redhat.com/security/cve/CVE-2026-104988)
- [https://bugzilla.redhat.com/show\_bug.cgi?id=2545316](https://bugzilla.redhat.com/show_bug.cgi?id=2545316)

[← All CVEs](https://panop.io/threat-heartbeat/)

## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

[Book a demo](https://panop.io/demo)