CVE-2025-46701: Apache Tomcat · Security constraint bypass for CGI scripts
Affects tomcatSource GCVE Database
Not known to be exploited · CVSS 7.3 High : upgrade to 10.1.16-1ubuntu0.1~esm3 soon.
Data as of 26 Oct 2026, 09:15 UTC
- EPSS
- 3.1% chance of exploitation in 30 days – higher than 87% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 10.1.16-1ubuntu0.1~esm3
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:LExploitation evidence
Disclosed: evidence found.
CVE published 29 May 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Upgrade the Ubuntu tomcat10 package to 10.1.16-1ubuntu0.1~esm3.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
Ubuntu:Pro:14.04:LTStomcat6pkg:deb/ubuntu/tomcat6@6.0.39-1ubuntu0.1+esm3?arch=source&distro=esm-infra-legacy/trustyOther threats | Affected
| Fixed in– |
Ubuntu:Pro:14.04:LTStomcat7pkg:deb/ubuntu/tomcat7@7.0.52-1ubuntu0.16+esm2?arch=source&distro=esm-infra-legacy/trustyOther threats | Affected
| Fixed in– |
Ubuntu:Pro:16.04:LTStomcat8pkg:deb/ubuntu/tomcat8@8.0.32-1ubuntu1.13+esm2?arch=source&distro=esm-infra-legacy/xenialOther threats | Affected
| Fixed in– |
Ubuntu:Pro:16.04:LTStomcat7pkg:deb/ubuntu/tomcat7@7.0.68-1ubuntu0.4+esm4?arch=source&distro=esm-apps-legacy/xenialOther threats | Affected
| Fixed in– |
Ubuntu:Pro:18.04:LTStomcat8pkg:deb/ubuntu/tomcat8@8.5.39-1ubuntu1~18.04.3+esm6?arch=source&distro=esm-apps/bionicOther threats | Affected
| Fixed in– |
Ubuntu:Pro:18.04:LTStomcat9pkg:deb/ubuntu/tomcat9@9.0.16-3ubuntu0.18.04.2+esm8?arch=source&distro=esm-apps/bionicOther threats | Affected
| Fixed in– |
Ubuntu:Pro:20.04:LTStomcat9pkg:deb/ubuntu/tomcat9@9.0.31-1ubuntu0.9+esm3?arch=source&distro=esm-apps/focalOther threats | Affected
| Fixed in– |
Ubuntu:Pro:22.04:LTStomcat9pkg:deb/ubuntu/tomcat9@9.0.58-1ubuntu0.2+esm4?arch=source&distro=esm-apps/jammyOther threats | Affected
| Fixed in– |
Ubuntu:Pro:24.04:LTStomcat10pkg:deb/ubuntu/tomcat10@10.1.16-1ubuntu0.1~esm3?arch=source&distro=esm-apps/nobleOther threats | Affected
| Fixed in
|
Ubuntu:25.10tomcat11pkg:deb/ubuntu/tomcat11@11.0.6-1?arch=source&distro=questingOther threats | Affected
| Fixed in– |
Ubuntu:26.04:LTStomcat11pkg:deb/ubuntu/tomcat11@11.0.22-2ubuntu2~26.04.1?arch=source&distro=resoluteOther threats | Affected
| Fixed in– |
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
A fix is available. Users should upgrade Apache Tomcat to versions 11.0.7, 10.1.41, or 9.0.105 or later. For Ubuntu users, applying standard system updates or using Ubuntu Pro Extended Security Maintenance (ESM) for affected LTS releases will address the vulnerability. No additional mitigation steps are indicated beyond applying these updates.
Description
CVE-2025-46701 is a security vulnerability in Apache Tomcat affecting multiple versions from 6.0.37 through 11.0.6. It involves improper handling of case sensitivity in the CGI servlet, allowing bypass of security constraints applied to the pathInfo component of a URI. This flaw could enable an attacker to bypass authentication mechanisms. The issue has been fixed in Apache Tomcat versions 11.0.7, 10.1.41, and 9.0.105. Users are advised to upgrade to these or later versions to mitigate the risk.
References
- ubuntu.com/security/CVE-2025-46701 (opens in a new tab)
- cve.org/CVERecord?id=CVE-2025-46701 (opens in a new tab)
- lists.apache.org/thread/xhqqk9w5q45srcdqhogdk04lhdscv30j (opens in a new tab)
- github.com/apache/tomcat/commit/fab7247d2f0e3a29d5daef565f829f383e10e5e2 (opens in a new tab)
- github.com/apache/tomcat/commit/0f01966eb60015d975525019e12a087f05ebf01a (opens in a new tab)
- github.com/apache/tomcat/commit/2c6800111e7d8d8d5403c07978ea9bff3db5a5a5 (opens in a new tab)
- github.com/apache/tomcat/commit/238d2aa54b99f91d1111467e2237d2244c64e558 (opens in a new tab)
- github.com/apache/tomcat/commit/8df00018a252baa9497615d6420fb6c10466fa74 (opens in a new tab)
- github.com/apache/tomcat/commit/8cb95ff03221067c511b3fa66d4f745bc4b0a605 (opens in a new tab)
- openwall.com/lists/oss-security/2025/05/29/4 (opens in a new tab)
- ubuntu.com/security/notices/USN-7705-1 (opens in a new tab)
- nvd.nist.gov/vuln/detail/CVE-2025-46701 (opens in a new tab)
- lists.debian.org/debian-lts-announce/2025/07/msg00009.html (opens in a new tab)