AI Summary

Cisco has released a patch for a vulnerability in its Unified Communications Manager that allowed an unauthenticated network attacker to write files to the system and subsequently gain root privileges. The flaw is identified as CVE‑2026‑20230, and proof‑of‑concept exploit code for the issue is already publicly available. Cisco’s Product Security Incident Response Team (PSIRT) reports that, to date, the vulnerability has not been observed in active attacks. The public release of the exploit code reduces the window for potential exploitation until the patch is applied.

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