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 |
|---|---|---|---|---|
| 8.8 | High | 3.1 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H | CNA (GitHub_M) |
- CISA KEV Not listed.
- EPSS 0.0046, the 39th percentile, on 15 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.
Timeline
- 31 Oct 2026, 14:25 UTC First seen by agentprime
- 31 Oct 2026, 14:25 UTC Confirmed by OSV
Sources
- GitHub Advisory Database: GHSA-xwqr-rcqg-22mr
- OSV: GHSA-xwqr-rcqg-22mr
- github.com/flightphp/core/security/advisories/GHSA-xwqr-rcqg-22mr
- nvd.nist.gov/vuln/detail/CVE-2026-42550
- github.com/flightphp/core/commit/b8dd23aaa828cb289fa3c84e75b2a3717cab50b0
- github.com/flightphp/core
- github.com/flightphp/core/releases/tag/v3.18.1