---
title: "CVE-2025-71426: Contrast - Authentication Bypass"
description: "Contrast confidential-computing runtime for Kubernetes < 1.4.1 contains a certificate impersonation vulnerability caused by lack of seed verification in recovering Coordinator, letting attackers impersonate workload owners and recover arbitrary workload secrets, exploit requires network traffic redirection and lack of root CA certificate verification."
url: https://panop.io/threat-heartbeat/CVE-2025-71426/
---

# CVE-2025-71426 Contrast - Authentication Bypass

Contrast confidential-computing runtime for Kubernetes < 1.4.1 contains a certificate impersonation vulnerability caused by lack of seed verification in recovering Coordinator, letting attackers impersonate workload owners and recover arbitrary workload secrets, exploit requires network traffic redirection and lack of root CA certificate verification.

CVSS base score 7.1 /10

High

CISA KEV

Not listed

Public exploit

None known

EPSS

0.14% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2025-71426)

## Details

Type

Authentication Bypass

Impact

Information Disclosure

CVSS vector

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

Published

27 September 2026

Updated

15 October 2026

Weakness

[CWE-285](https://cwe.mitre.org/data/definitions/285.html)

## Vendor fix

Update to version 1.4.1 or later.

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-2025-71426](https://nvd.nist.gov/vuln/detail/CVE-2025-71426)
- [https://github.com/edgelesssys/contrast/security/advisories/GHSA-vqv5-385r-2hf8](https://github.com/edgelesssys/contrast/security/advisories/GHSA-vqv5-385r-2hf8)
- [https://www.vulncheck.com/advisories/contrast-before-1.4.1-coordinator-impersonation-via-unauthenticated-recovery](https://www.vulncheck.com/advisories/contrast-before-1.4.1-coordinator-impersonation-via-unauthenticated-recovery)

[← 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.

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