Missing Critical Step in Authentication The advisory has been revoked - it doesn't affect any version of package opensearch-3-repository-s3 (opens in a new tab)
Threat Intelligence
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-MINIMOSLATEST-OPENSEARCH3REPOSITORYS3-16345890
- published3 May 2026
- disclosed22 Apr 2026
Introduced: 22 Apr 2026
CVE-2026-40542 (opens in a new tab)Amendment
The Minimos security team deemed this advisory irrelevant for Minimos:latest.
NVD Description
Note: Versions mentioned in the description apply only to the upstream opensearch-3-repository-s3 package and not the opensearch-3-repository-s3 package as distributed by Minimos.
Missing critical step in authentication in Apache HttpClient 5.6 allows an attacker to cause the client to accept SCRAM-SHA-256 authentication without proper mutual authentication verification. Users are recommended to upgrade to version 5.6.1, which fixes this issue.
References
- https://www.cve.org/CVERecord?id=CVE-2026-40542
- https://github.com/advisories/GHSA-v468-qcjx-r72w
- https://osv.dev/vulnerability/MINI-ggj3-5mjr-gg92
- https://osv.dev/vulnerability/CVE-2026-40542
- https://lists.apache.org/thread/tfmgv86xr0z1y096vs3z0y315t1v3o97
- http://www.openwall.com/lists/oss-security/2026/04/22/5