Machine-written summary
Summary written by Claude Haiku from the source advisory. Not reviewed by a person.
Hutool's hutool-extra package (Maven cn.hutool:hutool-extra) before version 5.8.40 is vulnerable. An attacker who can supply expressions evaluated by the QLExpressEngine class can invoke arbitrary methods, potentially achieving remote code execution. Upgrade hutool-extra to version 5.8.40 or later.
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 |
|---|---|---|---|---|
| 6.5 | Medium | 3.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N | ADP (CISA-ADP) |
- CISA KEV Not listed.
- EPSS 0.0034, the 27th percentile, on 13 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.
Timeline
- 25 Sept 2025, 23:15 UTC Confirmed by NVD
- 31 Oct 2026, 15:10 UTC First seen by agentprime
- 31 Oct 2026, 15:10 UTC Confirmed by OSV