What’s Vulnerable › Vulnerabilities

CVE-2025-0752: Envoyproxy: openshift service mesh envoy http header sanitization bypass leading to dos and unauthorized access

• Severity: high (CVSS 7.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-01-28 · updated 2026-06-17
• Weakness: CWE-444

Description

A flaw was found in OpenShift Service Mesh 2.6.3 and 2.5.6. Rate-limiter avoidance, access-control bypass, CPU and memory exhaustion, and replay attacks may be possible due to improper HTTP header sanitization in Envoy.

Affected products

• Red Hat OpenShift Service Mesh 2: 2.5.6, 2.6.3

References

• https://access.redhat.com/security/cve/CVE-2025-0752
• https://bugzilla.redhat.com/show_bug.cgi?id=2339115

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