CVE-2026-73631
A remote, anonymous attacker can exploit multiple vulnerabilities in Apache Struts to bypass security measures, disclose and manipulate data or cause a denial of service.
CSIRTS triage
- What
- Multiple vulnerabilities in Apache Struts allow remote bypass of security measures, data disclosure and manipulation, and denial of service.
- Who is affected
- Apache Struts deployments accessible to remote anonymous attackers are affected.
- Urgency
- Moderate; remote attackers can bypass security and manipulate data but no active exploitation reported.
- Action
- Update Apache Struts to the latest patched version addressing CVE-2026-73631 through CVE-2026-73635.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.15% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 4% of all EPSS-scored CVEs.
Advisory coverage (2)
- medium[NEW] [medium] Apache Struts: Multiple vulnerabilitiescert-bund · 2026-08-17
- unknownCVE-2026-73631: Exposure of data element to wrong session vulnerability in the JSON plugin of Apache Struts. P…nvd · 2026-08-15
External references
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