https://seclists.org/oss-sec/2026/q3/20: [CONFIDENTIAL] cert-manager v1.15-v1.17+main — flected SSRF via Issuer.spec.vault.server (CVSS 7.2 HIGH)

Published Jul 4, 2026
·
Updated

Affected Software

1 affected component
cert-manager cert-manager>=1.15.5<=1.17.4, =main

Frequently Asked Questions

1

What is the severity of CVE-2026-XXXX?

The severity of CVE-2026-XXXX is rated as HIGH with a CVSS score of 7.2.

2

How do I fix CVE-2026-XXXX?

To fix CVE-2026-XXXX, upgrade to cert-manager versions v1.18 or later where the vulnerability is addressed.

3

What impact does CVE-2026-XXXX have on cert-manager?

CVE-2026-XXXX allows for reflected server-side request forgery (SSRF) through Issuer.spec.vault.server which can expose sensitive data.

4

Which versions of cert-manager are affected by CVE-2026-XXXX?

CVE-2026-XXXX affects cert-manager versions v1.15 to v1.17 inclusive.

5

Is there a workaround for CVE-2026-XXXX?

As a temporary workaround for CVE-2026-XXXX, restrict access to the vault server configuration until an upgrade can be performed.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203