CVE-2026-29146 — Padding Oracle vulnerability in Apache Tomcat's EncryptInterceptor with default
Padding Oracle vulnerability in Apache Tomcat's EncryptInterceptor with default configuration.
Published
2026-04-09T20:16:24.577
Last modified
2026-08-04T13:18:02.797
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
01What is this vulnerability?
Padding Oracle vulnerability in Apache Tomcat's EncryptInterceptor with default configuration.
02Affected products
No structured affected-product list available — see references below for vendor advisories.
03Active exploitation status
Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.
04Recommended remediation
- Patch to a fixed version listed in the vendor advisory (see references below).
- Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
- Hunt historical logs for exploitation indicators — see Detection signatures below.
05Technical details
For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.
06Detection signatures
Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection in your stack of choice:
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07Related CVEs
No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.
08Timeline
- Published: 2026-04-09T20:16:24.577
- Last modified: 2026-08-04T13:18:02.797
09References
Want this in your SOAR or SIEM?
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