CVE-2026-73633
Public exploit code is available. Proof-of-concept or working exploit code for CVE-2026-73633 is indexed in GitHub PoC. Expect opportunistic scanning and exploitation attempts — prioritize remediation even though it is not (yet) in the CISA KEV catalog.
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 risk0.32% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 25% of all EPSS-scored CVEs.
Exploit availability
Public exploit or proof-of-concept code for CVE-2026-73633 is indexed in these free datasets. Available exploit code raises real-world risk independent of the CVSS score.
- GitHub PoCPublic proof-of-concept repositories on GitHub reference this CVE.look it up ↗
Advisory coverage (2)
- medium[NEW] [medium] Apache Struts: Multiple vulnerabilitiescert-bund · 2026-08-17
- highCVE-2026-73633: Uncontrolled resource consumption vulnerability in the JSON plugin of Apache Struts. When an a…nvd · 2026-08-14
External references
Embed the live status
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[](https://www.csirts.com/cve/CVE-2026-73633)