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CVE-2026-22728

4.9 · MEDIUM

Bitnami Sealed Secrets is vulnerable to a scope-widening attack during the secret rotation (/v1/rotate) flow.

Published Feb 26, 2026CWE-284EPSS 0.37%

Overview

CVE-2026-22728 is a medium-severity vulnerability. It was published on February 26, 2026 and has a CVSS 3.1 base score of 4.9 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 4.9, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

Bitnami Sealed Secrets is vulnerable to a scope-widening attack during

the secret rotation (/v1/rotate) flow. The rotation handler derives the

sealing scope for the newly encrypted output from untrusted

spec.template.metadata.annotations present in the input SealedSecret.

By submitting a victim SealedSecret to the rotate endpoint with the

annotation sealedsecrets.bitnami.com/cluster-wide=true injected into the

template metadata, a remote attacker can obtain a rotated version of the

secret that is cluster-wide. This bypasses original "strict" or

"namespace-wide" constraints, allowing the attacker to retarget and unseal

the secret in any namespace or under any name to recover the plaintext

credentials.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/bitnami-labs/sealed-secrets/security/advisories/GHSA-465p-v42x-3fmj

How CyberStrike helps

Frequently asked questions

What is CVE-2026-22728?

CVE-2026-22728 is a medium-severity vulnerability. It was published on February 26, 2026 and has a CVSS 3.1 base score of 4.9 (MEDIUM).

How severe is CVE-2026-22728?

This vulnerability has a CVSS 3.1 base score of 4.9, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-22728?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-22728?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-22728 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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