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Dossier · Vulnerability

Actively exploited · CISA KEV

CVE-2026-34486

  1. First PoC
  2. 111 days →KEV

Signals

Exploited in the wild
Yesadded 2026-08-04 · due 2026-08-07. An observation, not a forecast.
EPSS · 30-day forecast
7%Chance of exploitation in the next 30 days, 94th percentile of all CVEs. A forecast; KEV outranks it.
CVSS · NVD
not stated by sourcesNo NVD record yet.
Internet exposure
not stated by sourcesNo exposure census on this CVE's dispatches.

Exploits

6 known · links only

GitHub PoCs · by trust, then stars5

  1. striga-ai/CVE-2026-34486 ↗Trust ok 100

    EncryptInterceptor fail-open bypass in Apache Tomcat Tribes clustering leading to unauthenticated RCE via Java deserialization.

    ★ 70 · created 2026-05-11

  2. AirSkye/CVE-2026-34486-poc ↗Trust ok 100

    CVE-2026-34486 Apache Tomcat EncryptInterceptor 绕过漏洞复现（使用GLM5.1复现完成）

    ★ 12 · created 2026-04-15

  3. 404-src/CVE-2026-34486 ↗Trust ok 100

    Apache Tomcat EncryptInterceptor Bypass → Unauthenticated RCE (CVE-2026-34486)

    ★ 10 · created 2026-04-15

  4. CypherHippie/CVE-2026-34486---unauthenticated-RCE-via-Java-deserialization ↗Trust ok 100

    EncryptInterceptor fail-open bypass in Apache Tomcat Tribes clustering leading to unauthenticated RCE via Java deserialization.

    ★ 0 · created 2026-08-19

  5. razureink/cve-2026-34486-tomcat_encrypt_bypass_reproduction ↗Trust ok 100

    CVE Reproduction: cve-2026-34486-tomcat_encrypt_bypass_reproduction

    ★ 0 · created 2026-07-23

Fake proof-of-concept repositories have been used to deliver malware to the researchers who run them. The trust verdict is our engine's heuristic over the repository (account age, what it ships, how its stars arrived); it is a reason to read the code first, not a finding about its author.

Nuclei1

  1. Apache Tomcat Tribes EncryptInterceptor Bypass - Remote Code Execution ↗

    Missing Encryption of Sensitive Data vulnerability in Apache Tomcat due to the fix for CVE-2026-29146 allowing the bypass of the EncryptInterceptor. This issue affects Apache Tomcat: 11.0.20, 10.1.53, 9.0.116.

    yaml · seen 2026-10-18

On the wire

1 dispatch
  1. [KEV] CVE-2026-34486: Apache Tomcat Missing Encryption of Sensitive Data VulnerabilityKEV

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