CVE-2005-4836
Apache Tomcat allows remote attackers to read JSP source files
The HTTP/1.1 connector in Apache Tomcat 4.1.15 through 4.1.40 does not reject NULL bytes in a URL when allowLinking is configured, which allows remote attackers to read JSP source files and obtain sensitive information.
Exploit likelihood
What each source reports
NVD Score used
The HTTP/1.1 connector in Apache Tomcat 4.1.15 through 4.1.40 does not reject NULL bytes in a URL when allowLinking is configured, which allows remote attackers to read JSP source files and obtain sensitive information.
- Record
CVE-2005-4836- CVSS 2.0
- 7.8 High
AV:N/AC:L/Au:N/C:C/I:N/A:N - Weakness
- CWE-200
- Updated
- 2026-11-02
CVE List No score
The HTTP/1.1 connector in Apache Tomcat 4.1.15 through 4.1.40 does not reject NULL bytes in a URL when allowLinking is configured, which allows remote attackers to read JSP source files and obtain sensitive information.
- Record
CVE-2005-4836- Updated
- 2026-11-02
EUVDEUVD-2022-5023 No score
The HTTP/1.1 connector in Apache Tomcat 4.1.15 through 4.1.40 does not reject NULL bytes in a URL when allowLinking is configured, which allows remote attackers to read JSP source files and obtain sensitive information.
- Record
EUVD-2022-5023- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-qrcx-p4rr-g48h No score
Apache Tomcat allows remote attackers to read JSP source files
The HTTP/1.1 connector in Apache Tomcat 4.1.15 through 4.1.40 does not reject NULL bytes in a URL when allowLinking is configured, which allows remote attackers to read JSP source files and obtain sensitive information.
- Record
GHSA-qrcx-p4rr-g48h- Weakness
- CWE-200
- Updated
- 2026-11-02
OSVGHSA-qrcx-p4rr-g48h No score
Apache Tomcat allows remote attackers to read JSP source files
The HTTP/1.1 connector in Apache Tomcat 4.1.15 through 4.1.40 does not reject NULL bytes in a URL when allowLinking is configured, which allows remote attackers to read JSP source files and obtain sensitive information.
- Record
GHSA-qrcx-p4rr-g48h- Weakness
- CWE-200
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
org.apache.tomcat:tomcatMaven |
4.1.15 to 4.1.40 | None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2005-4836 is a high vulnerability (CVSS 7.8) in Apache Tomcat, published December 31, 2005. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.47%, the 89th percentile. No source names a fixed version.
References
tomcat.apache.org/security-4.html
securityfocus.com/bid/28483
lists.apache.org/thread.html/29dc6c2b625789e70a9c4756b5a327e6547273ff8bde7e0327af48c5%40%3Cdev.tomcat.apache.org%3E
nvd.nist.gov/vuln/detail/CVE-2005-4836
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github.com/advisories/GHSA-qrcx-p4rr-g48h