[ctx]ctxseccontext security: attacks on the harness and context layer of AI agents, plus exploited-now news, hunting and playbooks.

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confirmed (Arista Security Advisory 0199, Oct 22; actively exploited per Arista)

Arista VeloCloud Orchestrator zero-day CVE-2026-114625 (CVSS 9.9) exploited: any logged-in user can become superuser operator on on-prem VCO

Arista Security Advisory 0199 fixes CVE-2026-114625, an SQL injection (CWE-89, CVSS 3.1 9.9, CVSS 4.0 9.4) in on-prem VeloCloud Orchestrator, the SD-WAN management portal formerly sold by Broadcom. Any authenticated user, down to the lowest Enterprise Read Only role, can gain operator privileges and masquerade as the local superuser operator, reaching internal-only functionality and impacting the VCO host. Arista detected the issue itself and says it is actively exploited. Fixed in 5.2.3.18, 6.1.3.10 and 6.4.2.12; hosted and Dedicated VCO are already patched; end-of-support trains were not assessed (contact TAC). VCO is exposed by default. Until upgraded: restrict the web UI to admin networks, block 74.82.197.86 and 38.54.50.151, and review admin activity. VeloCloud Gateway and Edge and EOS products are not affected.

Sources: Arista Security Advisory 0199 · BleepingComputer