{"vulnerability": "CVE-2026-54523", "sightings": [{"uuid": "4269fc7c-b13e-4fa6-b2ee-c4c20efc8cfd", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-54523", "type": "seen", "source": "https://bsky.app/profile/thehackerwire.bsky.social/post/3mtypdfugfq26", "content": "\ud83d\udd34 CVE-2026-54523 - Critical (9.6)\n\nKyverno is a policy engine designed for cloud native platform engineering teams. From 1.18.0 unti...\n\nhttps://www.thehackerwire.com/vulnerability/CVE-2026-54523/\n\n#infosec #cybersecurity #CVE #vulnerability #security #patchstack", "creation_timestamp": "2026-08-26T16:00:52.498583Z"}, {"uuid": "38595911-04ae-4e3d-bdd7-4ad54fd0dfb2", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-54523", "type": "seen", "source": "https://bsky.app/profile/stackflag.bsky.social/post/3mtypc3nslg2t", "content": "CVE-2026-54523 - kyverno\nKyverno version 1.18.0 and 1.18.1 allow a user who can define a policy in their own area to tell Kyverno to add role\u2011binding objects in any other area, including the system area.\u2026\n\nToo many irrelevant or confusing CVEs? Use stackflag.com\n\n#kyverno #Golang #CVE #infosec", "creation_timestamp": "2026-08-26T16:00:11.391526Z"}, {"uuid": "d92cb8a1-def5-4c45-9901-ad1c5faf4e30", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "86ecb4e1-bb32-44d5-9f39-8a4673af8385", "vulnerability": "CVE-2026-54523", "type": "published-proof-of-concept", "source": "https://github.com/kyverno/kyverno/security/advisories/GHSA-79gf-7frw-68m9", "content": "", "creation_timestamp": "2026-08-26T16:35:18.156190Z"}, {"uuid": "83ceb13d-7ec7-47a6-9fb0-0e387c2a8750", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-54523", "type": "seen", "source": "https://bsky.app/profile/securityonline.bsky.social/post/3mqtt7pkz5a2v", "content": "Kyverno vulnerability CVE-2026-54523 (CVSS 9.6) is public with PoC exploit code. It lets a tenant gain admin in any namespace. Update to v1.18.2.\n\n#Kyverno #CVE202654523 #PrivilegeEscalation #Kubernetes #CyberSecurity", "creation_timestamp": "2026-07-17T13:11:29.004847Z"}, {"uuid": "17ff7c47-1e64-4af6-83ff-83229f9d2146", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "cve-2026-54523", "type": "seen", "source": "https://infosec.exchange/users/DarkWebInformer/statuses/116936632297942265", "content": "\u203c\ufe0f New Dark Web Informer Blog Post!\nTitle: One Namespace String to kube-system: Cross-Namespace Privilege Escalation in Kyverno (CVE-2026-54523)\nLink: https://darkwebinformer.com/one-namespace-string-to-kube-system-cross-namespace-privilege-escalation-in-kyverno-cve-2026-54523/\n\ud83d\udca5 Get early visibility into underground claims, including unblurred screenshots, before they turn into headlines: https://darkwebinformer.com/pricing", "creation_timestamp": "2026-07-17T18:03:26.413269Z"}, {"uuid": "41a889ff-625c-4913-bdba-6568b8c83542", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-54523", "type": "seen", "source": "https://bsky.app/profile/kotosecurity.bsky.social/post/3mqzehcl4ei2j", "content": "\u2638\ufe0f TREND: Kyverno flaw CVE-2026-54523 (CVSS 9.6) now has a public PoC \u2014 any user who can create a namespaced Policy can ride Kyverno's admission-controller identity to admin ANY namespace, bypassing RBAC. If you run Kyverno, patch and audit Policy writers. Src: GitHub Advisory", "creation_timestamp": "2026-07-19T18:03:15.974521Z"}, {"uuid": "47099027-6cba-4311-b8af-0bcc802b83fb", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-54523", "type": "seen", "source": "https://bsky.app/profile/stemshop.bsky.social/post/3mtywfpuqy425", "content": "\ud83d\udea8 CVE-2026-54523 \u2014 CVSS 9.6 CRITICAL\n\nKyverno is a policy engine designed for cloud native platform engineering teams. From 1.18.0 until 1.18.2, ...\n\n\ud83d\udd0e https://stemshop.top/cve/CVE-2026-54523\n\n#CVE #CyberSecurity #InfoSec", "creation_timestamp": "2026-08-26T18:07:24.698457Z"}]}