CVE-2026-55956
A remote, anonymous or authenticated attacker can exploit multiple vulnerabilities in Oracle Communications to compromise confidentiality, integrity and availability.
CSIRTS triage
- What
- Multiple vulnerabilities allow remote attackers to compromise confidentiality, integrity, and availability of Oracle Communications.
- Who is affected
- Deployments of Oracle Communications accessible to remote anonymous or authenticated attackers.
- Urgency
- High severity; affects telecommunications infrastructure.
- Action
- Apply Oracle security patches addressing CVE-2025-13151, CVE-2026-29167, CVE-2026-4176, CVE-2026-42587, CVE-2026-42779, CVE-2026-4800, CVE-2026-55956, and CVE-2026-5795.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Moderate exploitation risk1.5% 30-day exploitation probability. Patch within normal cadence, watch for KEV listing. Riskier than 72% of all EPSS-scored CVEs.
Advisory coverage (6)
- unknownNCSC-2026-0309 [1.00] [M/H] Vulnerabilities resolved in Oracle Communicationsncsc-nl · 2026-08-19
- high[NEW] [HIGH] Oracle Communications: Multiple Vulnerabilitiescert-bund · 2026-08-19
- medium[UPDATE] [medium] Apache Tomcat: Multiple vulnerabilitiescert-bund · 2026-08-18
- unknownApache Tomcat Multiple Vulnerabilitieshkcert · 2026-07-02
- unknownMultiple vulnerabilities in Apache Tomcat (June 30, 2026)cert-fr-avis · 2026-06-30
- mediumCVE-2026-55956: Improper Authorization vulnerability in Apache Tomcat leads to security constraints specified …nvd · 2026-06-29
External references
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