CVE-2025-29778

MEDIUM
Published Mar 24, 2025 Modified Aug 1, 2025 CWE-285

Description

Kyverno is a policy engine designed for cloud native platform engineering teams. Prior to version 1.14.0-alpha.1, Kyverno ignores subjectRegExp and IssuerRegExp while verifying artifact's sign with keyless mode. It allows the attacker to deploy kubernetes resources with the artifacts that were signed by unexpected certificate. Deploying these unauthorized kubernetes resources can lead to full compromise of kubernetes cluster. Version 1.14.0-alpha.1 contains a patch for the issue.

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CVSS v3.1 Score

5.8
MEDIUM
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N

Weakness Type (CWE)

CWE-285 CWE-285

Affected Products

Vendor Product
kyverno kyverno

References

Frequently Asked Questions

What is CVE-2025-29778? +
Kyverno is a policy engine designed for cloud native platform engineering teams. Prior to version 1.14.0-alpha.1, Kyverno ignores subjectRegExp and IssuerRegExp while verifying artifact's sign with keyless mode. It allows the attacker to deploy kubernetes resources with the artifacts that were signed by unexpected certificate. Deploying these unauthorized kubernetes resources can lead to full compromise of kubernetes cluster. Version 1.14.0-alpha.1 contains a patch for the issue. It has a CVSS v3.1 base score of 5.8 (MEDIUM).
How severe is CVE-2025-29778? +
CVE-2025-29778 has a CVSS v3.1 score of 5.8 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.
What products are affected by CVE-2025-29778? +
CVE-2025-29778 affects products from kyverno, specifically: kyverno. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2025-29778? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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