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CVE-2026-32737 — Vulnerability in...

HIGH

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

Published March 16, 2026Updated March 26, 2026Source: osv

Summary

### Impact 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. ### Patch Removing the `inter-ns` NetworkPolicy patches the vulnerability. If updates are not possible in production environments, we recommend to manually delete it and update as soon as possible. ### Workaround Given your context, delete the failing network policy that should be prefixed by `inter-ns-` in the target namespace.

Advisory Timeline

  • First published March 16, 2026 (210 days ago).
  • Last revised March 26, 2026 — 10 days after initial publication.

Remediation

Upgrade to the fixed version using your package manager.

Go
Update github.com/ctfer-io/romeo/environment/deploy to 0.2.1 or later
go get github.com/ctfer-io/romeo/environment/deploy@v0.2.1

After upgrading, run your dependency scanner again to confirm the vulnerability is resolved.

Affected Packages (1)

Affects 1 ecosystem: go (1).

PackageEcosystemAffectedFixed In
github.com/ctfer-io/romeo/environment/deploy
go
All versions0.2.1

Vulnerability Classification

Common Weakness Enumeration (CWE) identifiers for this vulnerability type.

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 10.0 score means for each attack dimension.

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
—
Confidentiality
—
Integrity
—
Availability
—

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:H

References

Frequently Asked Questions

What is CVE-2026-32737?
Romeo's invalid NetworkPolicy enables a malicious actor to pivot into another namespace This vulnerability has been assigned a severity rating of HIGH (CVSS score: 10.0/10).
How do I check if my project is affected by CVE-2026-32737?
CVE-2026-32737 affects github.com/ctfer-io/romeo/environment/deploy. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2026-32737 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score
10.0

Exploitation is straightforward and causes maximum impact. Patch immediately.

Also Known As

GHSA-fgm3-q9r5-43v9
GO-2026-4714

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