CVE-2025-29778

Kyverno ignores subjectRegExp and IssuerRegExp

Published: Mar 24, 2025Updated: Aug 1, 2025 Sources: CVE List NVD GHSACWE-285

5.8MEDIUM

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.

No summary for this CVE yet.

CVSS Vector Breakdown

Exploitability

AV:NAttack Vector

Network

AC:HAttack Complexity

High

PR:HPrivileges Required

High

UI:NUser Interaction

None

Scope

S:CScope

Changed

Impact

C:NConfidentiality

None

I:HIntegrity

High

A:NAvailability

None

Open in CVSS calculator →

Weaknesses

CWE-285

Affected Products

kyverno

oss-projectaka kyverno.io

kyvernoOn-prem

Cloud & SaaS / container-orchestration

package-ecosystem

github.com/kyverno/kyverno

OSS Libraries

Exploitability

2 exploit sources identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details

Official Patch Available

Is your org exposed to CVE-2025-29778?We can run the check for you — a free external exposure review, no install. Check my exposure

References

https://github.com/kyverno/kyverno/security/advisories/GHSA-46mp-8w32-6g94

github.com

https://github.com/kyverno/policies/issues/1246

github.com

https://github.com/kyverno/kyverno/pull/12237

github.com

and 4 more references View all →

Unlock Complete Vulnerability Intelligence

Get the full picture for CVE-2025-29778 and every CVE in our database. Create a free account — no credit card required.

Create Free Account

Plain-language analysis

Impact assessment and exploitation scenario in plain English

Attack graph visualization

Interactive attack path and kill chain mapping

Exploit details & PoC links

ExploitDB, Metasploit, GitHub PoCs with direct links

Nuclei scanner templates

Ready-to-use vulnerability scanner templates

Full remediation guide

Patch instructions, workarounds, and compliance impact

Interactive AI chat

Ask questions about this vulnerability in natural language

Related vulnerabilities

Semantically similar CVEs and attack patterns

REST API & MCP access

Integrate vulnerability data into your workflows