Vulnerability DatabaseCVE-2026-55636
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CVE-2026-55636
Published:June 17, 2026
Updated:August 27, 2026
Capsule v0.13.2 webhook rules contain "namespace/finalize" (singular) instead of "namespaces/finalize" (plural). K8s requires plural. The finalize defense from CVE-2026-30963 fix is absent.
Affected Packages
https://github.com/projectcapsule/capsule.git (GITHUB):
Affected version(s) >=v0.13.0 <v0.13.6
Fix Suggestion:
Update to version v0.13.6
github.com/projectcapsule/capsule (GO):
Affected version(s) >=v0.13.0 <v0.13.6
Fix Suggestion:
Update to version v0.13.6
Related Resources (2)
https://github.com/projectcapsule/capsule
https://github.com/projectcapsule/capsule/security/advisories/GHSA-gwxr-7h77-7777
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CVSS v4
Base Score:
6.9
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
HIGH
User Interaction
PASSIVE
Vulnerable System Confidentiality
LOW
Vulnerable System Integrity
HIGH
Vulnerable System Availability
LOW
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
5.7
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
LOW
Integrity
HIGH
Availability
LOW
Weakness Type (CWE)
Incorrect Authorization
CWE-863