MediumVulnerabilityCVE-2026-116585updated 31 Oct 2026, 02:24 UTC
Go JOSE: Panic during CBC-HMAC processing
Fixed in github.com/go-jose/go-jose/v4 4.1.5Official, 2 sources
| Severity | MediumCVSS 6.9 of 10 |
|---|---|
| Being exploited? | UnclearNo reports either way yet |
| Fix available? | Yesgithub.com/go-jose/go-jose/v4 4.1.5 · since 28 Oct 2026 |
| How sure is this? | Official, 2 sourcesBacked by an official source |
Are you affected?
| Package / product | Affected versions | Fixed in |
|---|---|---|
| github.com/go-jose/go-jose/v4 · go | < 4.1.5 | 4.1.5 |
| github.com/go-jose/go-jose/v3 · go | <= 3.0.5 | no fix yet |
Timeline
- 26 Oct 2026, 22:16 UTCPublicly disclosed
- 28 Oct 2026, 21:14 UTCReported by GitHub Advisory · GitHub Advisory
- 28 Oct 2026, 21:14 UTCPicked up by Zero Radar
- 31 Oct 2026, 02:24 UTCNVD reported on it · NVD
Sources 2 reports, oldest first
Official vendor, government CERT or advisory database
- CVE-2026-116585NVD · 26 Oct 2026, 22:16 UTC
- Go JOSE: Panic during CBC-HMAC processingGitHub Advisory · 28 Oct 2026, 21:14 UTC
Technical details
- ID
- CVE-2026-116585 · GHSA-4w3g-jfj2-cw2q
- CVSS
- 6.9 / 10
- EPSS
- 0.3% chance of exploitation within 30 days
- Disclosed
- 26 Oct 2026, 22:16 UTC
- On Zero Radar
- 28 Oct 2026, 21:14 UTC (47 h after disclosure)
- Last change
- 31 Oct 2026, 02:24 UTC
This entry has not been explained yet. The text comes straight from the source. How Zero Radar works