— Unscored

Apache Tomcat Missing Encryption of Sensitive Data Vulnerability

CVE-2026-34486 Exploited

Apache Tomcat contains a missing encryption of sensitive data vulnerability that allows the bypass of the EncryptInterceptor. This vulnerability can be chained with CVE‑2025‑24813.

Being exploited in the wild

Catalogued 4 August 2026 · US federal remediation deadline 7 August 2026

Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for…

Exploit code is also public: Public PoC · Nuclei template

NucleiApache Tomcat Tribes EncryptInterceptor Bypass - Remote Code Execution
Public PoCstriga-ai/CVE-2026-3448670 stars
Public PoCAirSkye/CVE-2026-34486-poc12 stars
Public PoC404-src/CVE-2026-3448610 stars
Public PoCrazureink/cve-2026-34486-tomcat_encrypt_bypass_reproduction
Public PoCCypherHippie/CVE-2026-34486---unauthenticated-RCE-via-Java-deserialization

Assessment

CVSS: Not yet scored
Severity: Unscored
Known exploited: Yes — listed in the CISA KEV catalog
Exploit availability: CISA KEV, Public PoC, Nuclei template
Published: 4 August 2026
Last updated: 4 August 2026
Affected: Apache · Tomcat
Weakness: CWE-311

At the source

CISA KEV

References

https://www.cisa.gov/known-exploited-vulnerabilities-catalog

Community proofs of concept

No community proof of concept yet. If you have one for a published vulnerability and the right to share it, add it below — it will appear here once reviewed.

Submit a proof of concept

Only for publicly disclosed vulnerabilities, and only material from testing you were authorised to perform. This platform does not buy, sell, or broker exploits — see earning from vulnerability research for legitimate bounty programs. Submissions are reviewed before they appear. Text only; do not include live credentials, personal data, or anything targeting systems you are not permitted to test.

Title *

Proof of concept *

Write-up (optional)

Affected versions (optional)

Name or handle (optional)

References (optional, one URL per line)

Licence for your contribution *

Private contact (optional, never shown)

Before you submit * This vulnerability is already publicly disclosed (it has a published CVE). This material comes only from testing I was authorised to perform. I have the legal right to publish this content and am not breaching any agreement by doing so. It contains no live credentials, personal data, or anything targeting systems I am not authorised to test. I understand it will be reviewed before it appears publicly and may be rejected. I agree to the submission terms.

What is 6 + 5? *

Query this programmatically

Agents can read this through the MCP endpoint, or over HTTP:

curl https://cve.zerocrew.in/api/cve/CVE-2026-34486