{"description":"Trending threats, MITRE ATT\u0026CK coverage, and detection metadata. Fed continuously.","favicon":"https://feed.craftedsignal.io/favicon-32x32.png","feed_url":"https://feed.craftedsignal.io/products/kyverno-1.18.0-before-1.19.2--1.19.2/feed.json","home_page_url":"https://feed.craftedsignal.io/","icon":"https://feed.craftedsignal.io/apple-touch-icon.png","items":[{"_cs_actors":[],"_cs_cpes":[],"_cs_cves":[{"cvss":9.1,"id":"CVE-2026-122321"}],"_cs_exploited":false,"_cs_has_poc":false,"_cs_poc_references":[],"_cs_products":["Kyverno 1.18.0 before 1.19.2 (\u003c 1.19.2)"],"_cs_severities":["critical"],"_cs_tags":[],"_cs_type":"advisory","_cs_vendors":[],"content_html":"\u003cp\u003eKyverno 1.18.0 before 1.19.2 is vulnerable to a signature verification bypass in verifyImages. Cached verification results are keyed by the image reference string (such as a tag) instead of the verified digest, causing cache hits to skip signature and attestation checks. An attacker who can submit workloads and move a registry tag can warm the cache with a signed image, repoint the tag, and have Kyverno admit the workload and use mutateDigest to pin the unverified digest.\u003c/p\u003e\n","date_modified":"2026-11-05T04:27:07Z","date_published":"2026-11-05T04:27:07Z","id":"https://feed.craftedsignal.io/briefs/2026-11-kyverno-signature-bypass/","summary":"Kyverno 1.18.0 before 1.19.2 contains a signature verification bypass in verifyImages because cached verification results are keyed by the image reference string rather than the verified digest.","title":"Kyverno: Signature verification bypass via image tag cache poisoning (CVE-2026-122321)","url":"https://feed.craftedsignal.io/briefs/2026-11-kyverno-signature-bypass/"}],"language":"en","title":"CraftedSignal Threat Feed - Kyverno 1.18.0 Before 1.19.2 (\u003c 1.19.2)","version":"https://jsonfeed.org/version/1.1"}