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Status published
High
CVE-2025-0752
Envoyproxy: openshift service mesh envoy http header sanitization bypass leading to dos and unauthorized access
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- Red Hat would like to thank Antony Di Scala and Michael Whale for reporting this issue.
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Affected Vendor
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View all reports →Affected Software
OpenShift Service Mesh 2
Vulnerable Versions:
2.6.3, 2.5.6
Timeline
Official Publish:
January 28th, 2025
Last Modified:
February 24th, 2026
Added to House:
July 22nd, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H