# CVE-2026-105769

kaniko leak of Azure AD tokens to attacker-controlled registries via credential helper

- Page: https://www.vulneraibility.com/cve/CVE-2026-105769
- CVSS: 9.3
- Known exploited: not in CISA KEV as of our last sync
- EPSS: 0.20% (percentile 9.4)
- CISA SSVC: exploitation none, automatable no, technical impact total (assessed 2026-11-02)
- Weakness: CWE-346, CWE-522
- Also known as: GHSA-5q7h-w9jf-cx97
- Published: 2026-11-02

## Affected versions

- chainguard kaniko: affected < 1.25.20

A version outside these ranges is not a statement that it is unaffected.

## Impact

Build-time token exfil lets attacker call Azure Resource Manager and exchange tokens for ACR credentials using the build identity until token expiry.

## Action

Immediate action required

## Recommendation

Upgrade to kaniko v1.25.20+, rotate Azure credentials, audit build registries

## References

- [advisory] https://github.com/chainguard-forks/kaniko/security/advisories/GHSA-5q7h-w9jf-cx97
- [patch] https://github.com/chainguard-forks/kaniko/pull/495
- [other] https://github.com/chainguard-forks/kaniko/releases/tag/v1.25.20
- [other] https://github.com/chrismellard/docker-credential-acr-env/issues/21
- [advisory] https://pkg.go.dev/vuln/GO-2026-6225

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Summary, impact and action are written by the vulneraibility.com AI analysis pipeline from the CVE record, NVD, CISA and FIRST data; verify against the references.