Machine-written summary
Summary written by Claude Haiku from the source advisory. Not reviewed by a person.
Apache Jena Fuseki (org.apache.jena:jena-fuseki) versions before 5.5.0 are vulnerable. A user with administrator access can create database files outside the Fuseki files area. The source gives few details on the exact impact. Upgrade to jena-fuseki 5.5.0, which fixes the issue.
Not analysed yet
We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.
Severity and exploitation
| Score | Rating | CVSS | Vector | Source |
|---|---|---|---|---|
| 4.9 | Medium | 3.1 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N | GitHub Advisory Database |
- CISA KEV Not listed.
- EPSS 0.016, the 75th percentile, on 13 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.
Timeline
- 31 Oct 2026, 15:09 UTC First seen by agentprime
- 31 Oct 2026, 15:09 UTC Confirmed by OSV
Sources
- GitHub Advisory Database: GHSA-jq2c-m8gg-mqcm
- OSV: GHSA-jq2c-m8gg-mqcm
- nvd.nist.gov/vuln/detail/CVE-2025-49656
- github.com/apache/jena/commit/03c5265910aa3a27907bf54f6b4aaae3409afa4f
- github.com/apache/jena/commit/35350569b4c1fd432d92e7c92af9597c4400debe
- github.com/apache/jena
- lists.apache.org/thread/qmm21som8zct813vx6dfd1phnfro6mwq
- www.openwall.com/lists/oss-security/2025/07/21/1