LeakyCreds
NewInstant webhook alerts now available ā€” notified within seconds of any credential detection.Learn more ā†’
Home / Vulnerability Intelligence / CVE-2026-4342

CVE-2026-4342 - Vulnerability Analysis

HighCVSS: 8.8

Last Updated: March 19, 2026

Ingress-nginx - Remote Code Execution & Information Disclosure

Published: March 19, 2026Updated: March 19, 2026Remote Exploitable

Overview

Ingress-nginx contains a configuration injection vulnerability caused by a combination of Ingress annotations, letting attackers execute arbitrary code and disclose Secrets in the ingress-nginx controller context, exploit requires crafted Ingress annotations.

Severity & Score

Severity: High
CVSS Score: 8.8
EPSS Score: 0.0%(Probability of exploitation in next 30 days)

Impact

Attackers can execute arbitrary code and disclose Secrets accessible to the ingress-nginx controller, potentially compromising the entire cluster.

Mitigation

Update to the latest version of ingress-nginx with the fix applied.

References

Social Media Activity(4 posts)

TheHackerWire
TheHackerWire
@thehackerwire
Mar 19, 2026

šŸŸ  CVE-2026-4342 - High (8.8) A security issue was discovered in ingress-nginx where a combination of Ingress annotations can be used to inject configuration into nginx. This can lead to arbitrary code execution in the context of the ingress-nginx controller, and disclosure of... šŸ”— https://www.thehackerwire.com/vulnerability/CVE-2026-4342/ #CVE #vulnerability #infosec #cybersecurity #security #Tenda #patchstack

View original post
TheHackerWire
TheHackerWire
@thehackerwire
Mar 19, 2026

šŸŸ  CVE-2026-4342 - High (8.8) A security issue was discovered in ingress-nginx where a combination of Ingress annotations can be used to inject configuration into nginx. This can lead to arbitrary code execution in the context of the ingress-nginx controller, and disclosure of... šŸ”— https://www.thehackerwire.com/vulnerability/CVE-2026-4342/ #CVE #vulnerability #infosec #cybersecurity #security #Tenda #patchstack

View original post
TheHackerWire
TheHackerWire
@thehackerwire
Mar 19, 2026

šŸŸ  CVE-2026-4342 - High (8.8) A security issue was discovered in ingress-nginx where a combination of Ingress annotations can be used to inject configuration into nginx. This can lead to arbitrary code execution in the context of the ingress-nginx controller, and disclosure of... šŸ”— https://www.thehackerwire.com/vulnerability/CVE-2026-4342/ #CVE #vulnerability #infosec #cybersecurity #security #Tenda #patchstack

View original post
TheHackerWire
TheHackerWire
@thehackerwire
Mar 19, 2026

šŸŸ  CVE-2026-4342 - High (8.8) A security issue was discovered in ingress-nginx where a combination of Ingress annotations can be used to inject configuration into nginx. This can lead to arbitrary code execution in the context of the ingress-nginx controller, and disclosure of... šŸ”— https://www.thehackerwire.com/vulnerability/CVE-2026-4342/ #CVE #vulnerability #infosec #cybersecurity #security #Tenda #patchstack

View original post

Related Resources

Details

CVE ID
CVE-2026-4342
Severity
High
CVSS Score
8.8
Type
undefined
Status
new
EPSS
0.0%
Social Posts
4

CWE

  • CWE-20

CVSS Metrics

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

EPSS Score

0.0%Probability of exploitation in the next 30 days