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CVE-2026-32737

Romeo's invalid NetworkPolicy enables a malicious actor to pivot into another namespace

Published: Mar 18, 2026Updated: Mar 25, 2026 Sources: CVE List NVD GHSACWE-284
10.0CVSSCRITICAL

Description

Romeo gives the capability to reach high code coverage of Go ≥1.20 apps by helping to measure code coverage for functional and integration tests within GitHub Actions. Prior to version 0.2.1, due to a mis-written NetworkPolicy, a malicious actor can pivot from the "hardened" namespace to any Pod out of it. This breaks the security-by-default property expected as part of the deployment program, leading to a potential lateral movement. Removing the `inter-ns` NetworkPolicy patches the vulnerability in version 0.2.1. If updates are not possible in production environments, manually delete `inter-ns` and update as soon as possible. Given one's context, delete the failing network policy that should be prefixed by `inter-ns-` in the target namespace.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:CC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:CScope
Changed
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High

Weaknesses

Affected Products

ctfer-ioaka ctfer-io
gopackage-ecosystemOSS Libraries

Exploitability

Official Patch Available

References

and 1 more references View all →

Timeline

Published
Mar 18, 2026
Last Updated
Mar 25, 2026

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