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Red Hat Product Errata RHSA-2026:10131 - Security Advisory
Issued:
2026-04-23
Updated:
2026-04-23

RHSA-2026:10131 - Security Advisory

  • Overview
  • Updated Images

Synopsis

RHTAS 1.3.4 - Red Hat Trusted Artifact Signer Release

Type/Severity

Security Advisory: Important

Topic

The 1.3.4 release of Red Hat Trusted Artifact Signer OpenShift Operator.
For more details please visit the product documentation at https://access.redhat.com/documentation/en-us/red_hat_trusted_artifact_signer/1.3

Description

The RHTAS Operator can be used with OpenShift Container Platform 4.16, 4.17, 4.18, 4.19, 4.20 and 4.21

Solution

Red Hat Trusted Artifact Signer simplifies cryptographic signing and verifying of software artifacts such as container images, binaries and source code changes. It is a self-managed on-premise deployment of the Sigstore project available at https://sigstore.dev

Platform Engineers, Software Developers and Security Professionals may use RHTAS to ensure the integrity, transparency and assurance of their organization's software supply chain.

For details on using the operator, refer to the product documentation at https://access.redhat.com/documentation/en-us/red_hat_trusted_artifact_signer/1.3

You can find the release notes for this version of Red Hat Trusted Artifact Signer at https://access.redhat.com/documentation/en-us/red_hat_trusted_artifact_signer/1.3/html-single/release_notes/index

Fixes

(none)

CVEs

  • CVE-2026-33186
  • CVE-2026-4427
  • CVE-2026-4800

References

  • https://access.redhat.com/documentation/en-us/red_hat_trusted_artifact_signer/1.3
  • https://access.redhat.com/documentation/en-us/red_hat_trusted_artifact_signer/1.3/html-single/release_notes/index
  • https://access.redhat.com/security/updates/classification/

amd64

registry.redhat.io/rhtas/rekor-backfill-redis-rhel9@sha256:35b00d6cc82f90b4577af0d2c15153e255d6bb946349bb85f175216cefad1d07
registry.redhat.io/rhtas/certificate-transparency-rhel9@sha256:95b5aefafd17dd44794f6d5d1e75278faa5a74f2472db667409d1c88caaef1f1
registry.redhat.io/rhtas/trillian-database-rhel9@sha256:ab5c3e921b58d17bf6b596d2d7acf64a28b34f3f3a66720c1a07e6555ed9e0b8
registry.redhat.io/rhtas/fulcio-rhel9@sha256:2d478c389bc89afc6b331bc662a84dfc1bbb9da2681ab6dc5ad36f44c346699a
registry.redhat.io/rhtas/trillian-logserver-rhel9@sha256:523fa259ebf067ac3076748d4f5c86e01e5b1960034c0876add5d67b0ca21b0b
registry.redhat.io/rhtas/trillian-logsigner-rhel9@sha256:f211db01228530de8ed46b05189c492e6c3629df1098da57d31f2765a22ef014
registry.redhat.io/rhtas/trillian-redis-rhel9@sha256:22b8cfd123fdd66827b81f2431903198e33579906102b2f6295276cf3eb197a6
registry.redhat.io/rhtas/rekor-search-ui-rhel9@sha256:204dc28f6182267851d39eff08649e921877e2771d2c39acb798aa7896f5bcef
registry.redhat.io/rhtas/rekor-server-rhel9@sha256:b4a5a2c2518dba5f7812c8b4112e25a0f867a4b187c23adfc727395f871c8ca6
registry.redhat.io/rhtas/timestamp-authority-rhel9@sha256:a4aae20d4d24fc780fd7f613a54c6587538007b23e2a84b826c6812a19abd9ed

The Red Hat security contact is secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/.

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