VDB

RHSA-2026%3A2454

RHSA-2026%3A2454 PUBLISHED CVSS 7.5 HIGH

A flaw in golang.org/x/crypto/ssh/agent causes the SSH agent client to panic when a peer responds with the generic SSH_AGENT_SUCCESS (0x06) message to requests expecting typed replies (e.g., List, Sign). The unmarshal layer produces an unexpected message type, which the client code does not handle, leading to panic("unreachable") or a nil-pointer dereference. A malicious agent or forwarded connection can exploit this to terminate the client process.

Risk Scores

CVSS 3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Products

VendorProductVersions
Red Hatregistry.redhat.io/devworkspace/devworkspace-project-backup-rhel9@sha256:ecdf98e0dae1223ca09599bb73a78e846c60d27bb17dae0daab936057836bb97_s390x as a component of DevWorkspace Operator 0.39registry.redhat.io/devworkspace/devworkspace-project-backup-rhel9@sha256:ecdf98e0dae1223ca09599bb73a78e846c60d27bb17dae0daab936057836bb97_s390x, registry.redhat.io/devworkspace/devworkspace-project-backup-rhel9@sha256:ecdf98e0dae1223ca09599bb73a78e846c60d27bb17dae0daab936057836bb97_s390x, registry.redhat.io/devworkspace/devworkspace-project-backup-rhel9@sha256:ecdf98e0dae1223ca09599bb73a78e846c60d27bb17dae0daab936057836bb97_s390x
Red Hatregistry.redhat.io/devworkspace/devworkspace-project-backup-rhel9@sha256:26c9d3860b3272f6077de4b7359409291d65be9bed46434c1686817dab4eafb7_arm64 as a component of DevWorkspace Operator 0.39registry.redhat.io/devworkspace/devworkspace-project-backup-rhel9@sha256:26c9d3860b3272f6077de4b7359409291d65be9bed46434c1686817dab4eafb7_arm64, registry.redhat.io/devworkspace/devworkspace-project-backup-rhel9@sha256:26c9d3860b3272f6077de4b7359409291d65be9bed46434c1686817dab4eafb7_arm64, registry.redhat.io/devworkspace/devworkspace-project-backup-rhel9@sha256:26c9d3860b3272f6077de4b7359409291d65be9bed46434c1686817dab4eafb7_arm64
Red Hatregistry.redhat.io/devworkspace/devworkspace-project-clone-rhel9@sha256:d18263cba6fc9a51955d6cb704444473955caeeb180d9ff60c8267ad00539e0d_s390x as a component of DevWorkspace Operator 0.39registry.redhat.io/devworkspace/devworkspace-project-clone-rhel9@sha256:d18263cba6fc9a51955d6cb704444473955caeeb180d9ff60c8267ad00539e0d_s390x, registry.redhat.io/devworkspace/devworkspace-project-clone-rhel9@sha256:d18263cba6fc9a51955d6cb704444473955caeeb180d9ff60c8267ad00539e0d_s390x, registry.redhat.io/devworkspace/devworkspace-project-clone-rhel9@sha256:d18263cba6fc9a51955d6cb704444473955caeeb180d9ff60c8267ad00539e0d_s390x
Red Hatregistry.redhat.io/devworkspace/devworkspace-project-clone-rhel9@sha256:308fe34379ec88bb0c1bf3c74febb2be763276f1568ff9a9a0f1375deea7b5c6_ppc64le as a component of DevWorkspace Operator 0.39registry.redhat.io/devworkspace/devworkspace-project-clone-rhel9@sha256:308fe34379ec88bb0c1bf3c74febb2be763276f1568ff9a9a0f1375deea7b5c6_ppc64le, registry.redhat.io/devworkspace/devworkspace-project-clone-rhel9@sha256:308fe34379ec88bb0c1bf3c74febb2be763276f1568ff9a9a0f1375deea7b5c6_ppc64le, registry.redhat.io/devworkspace/devworkspace-project-clone-rhel9@sha256:308fe34379ec88bb0c1bf3c74febb2be763276f1568ff9a9a0f1375deea7b5c6_ppc64le
Red Hatregistry.redhat.io/devworkspace/devworkspace-project-backup-rhel9@sha256:cce5e5415ada0778b61fb74ffb518c5e1cffa68c13d2d7e636770725634d0551_amd64 as a component of DevWorkspace Operator 0.39*, *, *
Red Hatregistry.redhat.io/devworkspace/devworkspace-project-clone-rhel9@sha256:a6e26ccec55c225a45a5f1640671c1d86d26c2d9527000e662941b488b42536b_amd64 as a component of DevWorkspace Operator 0.39registry.redhat.io/devworkspace/devworkspace-project-clone-rhel9@sha256:a6e26ccec55c225a45a5f1640671c1d86d26c2d9527000e662941b488b42536b_amd64, *, registry.redhat.io/devworkspace/devworkspace-project-clone-rhel9@sha256:a6e26ccec55c225a45a5f1640671c1d86d26c2d9527000e662941b488b42536b_amd64
Red Hatregistry.redhat.io/devworkspace/devworkspace-project-clone-rhel9@sha256:d18263cba6fc9a51955d6cb704444473955caeeb180d9ff60c8267ad00539e0d_s390x as a component of DevWorkspace Operator 0.39registry.redhat.io/devworkspace/devworkspace-project-clone-rhel9@sha256:d18263cba6fc9a51955d6cb704444473955caeeb180d9ff60c8267ad00539e0d_s390x, *, registry.redhat.io/devworkspace/devworkspace-project-clone-rhel9@sha256:d18263cba6fc9a51955d6cb704444473955caeeb180d9ff60c8267ad00539e0d_s390x
Red Hatregistry.redhat.io/devworkspace/devworkspace-project-backup-rhel9@sha256:ecdf98e0dae1223ca09599bb73a78e846c60d27bb17dae0daab936057836bb97_s390x as a component of DevWorkspace Operator 0.39registry.redhat.io/devworkspace/devworkspace-project-backup-rhel9@sha256:ecdf98e0dae1223ca09599bb73a78e846c60d27bb17dae0daab936057836bb97_s390x, registry.redhat.io/devworkspace/devworkspace-project-backup-rhel9@sha256:ecdf98e0dae1223ca09599bb73a78e846c60d27bb17dae0daab936057836bb97_s390x, *
Red Hatregistry.redhat.io/devworkspace/devworkspace-rhel9-operator@sha256:28f42d5cff1157425e469ff40e71c7d38de004b56edba5eb54b2bdc10d10b97c_amd64 as a component of DevWorkspace Operator 0.39registry.redhat.io/devworkspace/devworkspace-rhel9-operator@sha256:28f42d5cff1157425e469ff40e71c7d38de004b56edba5eb54b2bdc10d10b97c_amd64, *, *
Red Hatregistry.redhat.io/devworkspace/devworkspace-project-backup-rhel9@sha256:219c9ff47cda184a937eeb0f95794cce1085698544e01e0b9a2d04eabf746b47_ppc64le as a component of DevWorkspace Operator 0.39registry.redhat.io/devworkspace/devworkspace-project-backup-rhel9@sha256:219c9ff47cda184a937eeb0f95794cce1085698544e01e0b9a2d04eabf746b47_ppc64le, registry.redhat.io/devworkspace/devworkspace-project-backup-rhel9@sha256:219c9ff47cda184a937eeb0f95794cce1085698544e01e0b9a2d04eabf746b47_ppc64le, *
Red HatDevWorkspace Operator
Red Hatregistry.redhat.io/devworkspace/devworkspace-project-backup-rhel9@sha256:219c9ff47cda184a937eeb0f95794cce1085698544e01e0b9a2d04eabf746b47_ppc64le as a component of DevWorkspace Operator 0.39registry.redhat.io/devworkspace/devworkspace-project-backup-rhel9@sha256:219c9ff47cda184a937eeb0f95794cce1085698544e01e0b9a2d04eabf746b47_ppc64le, *, registry.redhat.io/devworkspace/devworkspace-project-backup-rhel9@sha256:219c9ff47cda184a937eeb0f95794cce1085698544e01e0b9a2d04eabf746b47_ppc64le
Red Hatregistry.redhat.io/devworkspace/devworkspace-rhel9-operator@sha256:dfe6c6208eaea491b40336ab3c327daa8ce0c3a24b8a9426683ca69432dcbd5a_s390x as a component of DevWorkspace Operator 0.39registry.redhat.io/devworkspace/devworkspace-rhel9-operator@sha256:dfe6c6208eaea491b40336ab3c327daa8ce0c3a24b8a9426683ca69432dcbd5a_s390x, *, registry.redhat.io/devworkspace/devworkspace-rhel9-operator@sha256:dfe6c6208eaea491b40336ab3c327daa8ce0c3a24b8a9426683ca69432dcbd5a_s390x
Red Hatregistry.redhat.io/devworkspace/devworkspace-project-clone-rhel9@sha256:a6e26ccec55c225a45a5f1640671c1d86d26c2d9527000e662941b488b42536b_amd64 as a component of DevWorkspace Operator 0.39registry.redhat.io/devworkspace/devworkspace-project-clone-rhel9@sha256:a6e26ccec55c225a45a5f1640671c1d86d26c2d9527000e662941b488b42536b_amd64, registry.redhat.io/devworkspace/devworkspace-project-clone-rhel9@sha256:a6e26ccec55c225a45a5f1640671c1d86d26c2d9527000e662941b488b42536b_amd64, registry.redhat.io/devworkspace/devworkspace-project-clone-rhel9@sha256:a6e26ccec55c225a45a5f1640671c1d86d26c2d9527000e662941b488b42536b_amd64
Red Hatregistry.redhat.io/devworkspace/devworkspace-operator-bundle@sha256:25b53c2a153cb957c82e414338da944d4f6e94853333f791367e5bf071717c6b_amd64 as a component of DevWorkspace Operator 0.39*, *, registry.redhat.io/devworkspace/devworkspace-operator-bundle@sha256:25b53c2a153cb957c82e414338da944d4f6e94853333f791367e5bf071717c6b_amd64
Red Hatregistry.redhat.io/devworkspace/devworkspace-operator-bundle@sha256:25b53c2a153cb957c82e414338da944d4f6e94853333f791367e5bf071717c6b_amd64 as a component of DevWorkspace Operator 0.39*, registry.redhat.io/devworkspace/devworkspace-operator-bundle@sha256:25b53c2a153cb957c82e414338da944d4f6e94853333f791367e5bf071717c6b_amd64, registry.redhat.io/devworkspace/devworkspace-operator-bundle@sha256:25b53c2a153cb957c82e414338da944d4f6e94853333f791367e5bf071717c6b_amd64
Red Hatregistry.redhat.io/devworkspace/devworkspace-rhel9-operator@sha256:df3c4e2595a292825a9bd6137344293b67d249c710984691c3366a72a56011db_arm64 as a component of DevWorkspace Operator 0.39*, *, *
Red Hatregistry.redhat.io/devworkspace/devworkspace-project-clone-rhel9@sha256:cf8d932b11342e58a20b1b26f2e668fedbe987ef482e73fefa7d0ae160a70330_arm64 as a component of DevWorkspace Operator 0.39*, *, *
Red Hatregistry.redhat.io/devworkspace/devworkspace-rhel9-operator@sha256:775be225ba4a9ffdd926f27ea9e4e87afdb399768bae202ff60a483b5795c0f5_ppc64le as a component of DevWorkspace Operator 0.39registry.redhat.io/devworkspace/devworkspace-rhel9-operator@sha256:775be225ba4a9ffdd926f27ea9e4e87afdb399768bae202ff60a483b5795c0f5_ppc64le, registry.redhat.io/devworkspace/devworkspace-rhel9-operator@sha256:775be225ba4a9ffdd926f27ea9e4e87afdb399768bae202ff60a483b5795c0f5_ppc64le, registry.redhat.io/devworkspace/devworkspace-rhel9-operator@sha256:775be225ba4a9ffdd926f27ea9e4e87afdb399768bae202ff60a483b5795c0f5_ppc64le

…and 8 more

Timeline

  • Feb 10, 2026 CVE Published
  • Apr 24, 2026 Distribution Patch
  • Apr 24, 2026 Distribution Patch
  • Apr 24, 2026 Security Advisory
  • Apr 24, 2026 Security Advisory
  • Apr 24, 2026 Security Advisory
  • Jul 8, 2026 CVE Updated
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