Machine-written summary
Summary written by Claude Haiku from the source advisory. Not reviewed by a person.
Versions of github.com/juev/nebula-mesh before 0.3.3 have a cross-site request forgery weakness: the web UI's /ui/* POST, PUT, PATCH and DELETE routes act on any request carrying a valid session cookie, without a CSRF token check. An attacker who gets an authenticated operator to visit a crafted page can make the UI sign or delete CA certificates, mint API keys, disable operators and change settings, and can also force a logout through the GET /ui/logout route. Upgrade to version 0.3.3, which adds CSRF protection.
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 |
|---|---|---|---|---|
| 6.9 | Medium | 4.0 | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N | CNA (GitHub_M) |
- CISA KEV Not listed.
- EPSS 0.0019, the 8th percentile, on 11 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.
Timeline
- 31 Oct 2026, 15:08 UTC First seen by agentprime
- 31 Oct 2026, 15:08 UTC Confirmed by OSV