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 |
|---|---|---|---|---|
| 7.5 | High | 3.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H | GitHub Advisory Database |
- CISA KEV Not listed.
- EPSS No score.
Timeline
- 31 Oct 2026, 14:13 UTC First seen by agentprime
- 31 Oct 2026, 14:13 UTC Confirmed by OSV
Sources
- GitHub Advisory Database: GHSA-x6gf-mpr2-68h6
- OSV: GHSA-x6gf-mpr2-68h6
- nvd.nist.gov/vuln/detail/CVE-2026-4427
- github.com/golang/vulndb/issues/4518
- github.com/jackc/pgx/issues/2507
- access.redhat.com/security/cve/CVE-2026-4427
- bugzilla.redhat.com/show_bug.cgi?id=2448626
- github.com/jackc/pgproto3
- securityinfinity.com/research/memory-safety-vulnerabilities-in-go-postgresql-wire-protocol-parsers-pgproto3-pgx