Improper Removal of Sensitive Information Before Storage or Transfer Affecting github.com/argoproj/argo-cd/gitops-engine/pkg/diff package, versions >=3.2.0 <3.2.12>=3.3.0-rc1 <3.3.10>=3.4.0-rc1 <3.4.2
Threat Intelligence
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-GOLANG-GITHUBCOMARGOPROJARGOCDGITOPSENGINEPKGDIFF-16874296
- published25 May 2026
- disclosed19 May 2026
- creditUnknown
Introduced: 19 May 2026
CVE-2026-45737 (opens in a new tab)How to fix?
Upgrade github.com/argoproj/argo-cd/gitops-engine/pkg/diff to version 3.2.12, 3.3.10, 3.4.2 or higher.
Overview
Affected versions of this package are vulnerable to Improper Removal of Sensitive Information Before Storage or Transfer in the HideSecretData() function that fails to mask predictedLive argument for --server-side-diff command. An attacker can extract last-applied-configuration which may contain a JSON-serialized Secret manifest with sensitive values.
Note:
github.com/argoproj/gitops-engine module migrated to github.com/argoproj/argo-cd/gitops-engine.