Security Bulletin: Multiple vulnerabilities in IBM Observability with Instana (OnPrem)

Summary Multiple vulnerabilities were addressed in IBM Observability with Instana OnPrem build 1.0.321 Vulnerability Details CVEID:CVE-2026-48815 DESCRIPTION: sigstore-js provides JavaScript libraries for interacting with Sigstore services. Prior to 4.1.1, the documented certificateOIDs option in...

EUVD-2026-44494

sigstore-js provides JavaScript libraries for interacting with Sigstore services. Prior to 4.1.1, the documented certificateOIDs option in sigstore.verify is accepted by the public API but discarded before verification, so required certificate extension OIDs are never checked and applications...

CVE-2026-48815 sigstore-js: `certificateOIDs` verification constraints are silently dropped and never enforced

sigstore-js provides JavaScript libraries for interacting with Sigstore services. Prior to 4.1.1, the documented certificateOIDs option in sigstore.verify is accepted by the public API but discarded before verification, so required certificate extension OIDs are never checked and applications...

CVE-2026-48815

A flaw was found in sigstore. The certificateOIDs option, intended to restrict which certificates can sign artifacts, is accepted by the public application programming interface API but is not used during the verification process. This allows unauthorized certificates to be accepted, bypassing...

PT-2026-55204

Name of the Vulnerable Software and Affected Versions sigstore-js versions prior to 4.1.1 Description The certificateOIDs option in the sigstore.verify function is accepted by the public API but discarded before the verification process occurs. Consequently, required certificate extension Object...

PT-2026-55097

Summary The documented certificateOIDs option in sigstore.verify is accepted by the public API but discarded before verification, so required certificate extension OIDs are never checked. Details The public verify options include certificateOIDs and the documentation says those OID/value pairs...