Machine-written summary
Summary written by Claude Haiku from the source advisory. Not reviewed by a person.
NutzBoot (Maven org.nutz:nutzboot-parent) versions up to 2.6.0-SNAPSHOT are affected by a deserialization weakness in its LiteRpc serializer component. A remote attacker could exploit it, though the source describes the attack as highly complex and difficult to carry out, and notes that a public exploit exists. No fixed version is listed.
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 |
|---|---|---|---|---|
| 6.3 | Medium | 4.0 | CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P | CNA (VulDB) |
- CISA KEV Not listed.
- EPSS 0.0041, the 35th percentile, on 12 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-fgmj-6h3v-4q56
- OSV: GHSA-fgmj-6h3v-4q56
- nvd.nist.gov/vuln/detail/CVE-2025-13805
- github.com/Xzzz111/exps/blob/main/archives/nutzboot-RCE-1/report.md
- github.com/Xzzz111/exps/blob/main/archives/nutzboot-RCE-1/report.md#vulnerability-details-and-poc
- github.com/nutzam/nutzboot
- vuldb.com/?ctiid.333815
- vuldb.com/?id.333815
- vuldb.com/?submit.692053