Cisco has patched a server-side request forgery (SSRF) vulnerability in Unified Communications Manager (Unified CM) that allows an unauthenticated network attacker to write arbitrary files to the system and escalate privileges to root. The flaw is tracked as CVE-2026-20230 and public proof-of-concept exploit code is already available, significantly lowering the barrier to exploitation. Cisco’s PSIRT has not confirmed active exploitation in the wild, but the availability of working PoC code makes patching urgent.

Architect’s Take: Apply Cisco’s patch immediately and treat any internet- or untrusted-network-exposed Unified CM instances as highest priority. As an interim control, restrict network access to Unified CM admin interfaces to trusted management VLANs only, and review ingress firewall rules to limit the blast radius while patching is under way.

Original advisory: Cisco Patches CVE-2026-20230 in Unified CM as Exploit Code Goes Public

A high-severity vulnerability in Oracle WebLogic Server (CVE-2024-21182) has been added to CISA’s Known Exploited Vulnerabilities catalogue following confirmed active exploitation in the wild. The flaw allows an unauthenticated attacker with network access to take full control of affected servers without any credentials. Any organisation running Oracle WebLogic in cloud or on-premises environments should treat this as an urgent remediation priority.

Architect’s Take: Audit your cloud environments immediately for internet-exposed or network-accessible WebLogic instances and apply Oracle’s patch from the January 2024 Critical Patch Update without delay. As an interim control, restrict network access to WebLogic admin ports using security groups or firewall rules, and consider placing instances behind a WAF or application gateway.

Original advisory: Oracle WebLogic CVE-2024-21182 Added to KEV Catalog After Active Exploitation