[NEW] [medium] Apache Tomcat: Multiple vulnerabilities
A remote, anonymous attacker can exploit multiple vulnerabilities in Apache Tomcat to bypass security measures and disclose information.
CSIRTS triage
- What
- Multiple vulnerabilities in Apache Tomcat can be exploited by a remote, anonymous attacker to bypass security measures and disclose information.
- Who is affected
- All deployments of Apache Tomcat are affected.
- Urgency
- Remediation is medium urgency as the vulnerabilities can be exploited anonymously.
- Action
- Users should apply the latest security updates for Apache Tomcat.
AI-assisted analysis generated from the source advisory — verify against the original.
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Details
Original advisory: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-2310
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2026-590830.37% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 30% of all scored CVEs.
- Low exploitation riskCVE-2026-590840.51% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 40% of all scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-59083 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-59084 | coverage & exploitation status | NVD · CVE.org |
Same CVEs, other sources
How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.
- unknownMultiple vulnerabilities in Apache Tomcat (July 15, 2026)cert-fr-avis
- criticalCVE-2026-59084: Insufficient Technical Documentation vulnerability in Apache Tomcat since the requirements to …nvd
- criticalCVE-2026-59083: Improper Handling of URL Encoding (Hex Encoding) vulnerability in Apache Tomcat's rewrite valv…nvd
Recent advisories for Apache Tomcat
A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.
- medium[NEW] [medium] Apache Tomcat: Vulnerability allows Denial of Servicecert-bund · 2026-07-29
- unknownVulnerability in Apache Tomcat (July 29, 2026)cert-fr-avis · 2026-07-29
- criticalCVE-2026-66713: Deserialization of Untrusted Data (CWE-502) in the Tribes-based clustering component in Apache…nvd · 2026-07-28
- highCVE-2026-66299: Uncontrolled Resource Consumption vulnerability in Apache Tomcat's WebSocket chat example. Thi…nvd · 2026-07-28
- high[UPDATE] [high] Apache Tomcat and Tomcat Native: Multiple vulnerabilitiescert-bund · 2026-07-27
- medium[UPDATE] [medium] Apache Tomcat and Tomcat Native: Multiple vulnerabilitiescert-bund · 2026-07-27
More from CERT-Bund (BSI) Security Advisories
- medium[UPDATE] [medium] Linux Kernel: Multiple vulnerabilities allow denial of service2026-07-31
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- medium[UPDATE] [medium] Linux Kernel: Multiple vulnerabilities2026-07-31
- medium[UPDATE] [medium] Linux Kernel: Multiple vulnerabilities allow denial of service2026-07-31
- medium[UPDATE] [medium] Linux Kernel (ntfs3): Vulnerability allows information disclosure2026-07-31