CVE-2026-116585
Go JOSE: Panic during CBC-HMAC processing
02 Description
Go JOSE: Panic during CBC-HMAC processing
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 0.26% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 18.2% of scored records. A rank, not a probability.
- NVD base score
- 6.9 (CVSS v4.0), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- NVD analysis status
- Awaiting Analysis. NVD last modified this record on 2026-10-27.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2026-10-26 21:06Z2 DAYS AGO
- Last updated
- 2026-10-26 21:06Z2 DAYS AGO
- Reserved
- 2026-10-26
- Assigning CNA
- GitHub_M
- Record state
- PUBLISHED
- Severity
- Medium (CVSS 6.9)
- CNA CVSS vector
- CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
- Weaknesses
- CWE-129Improper Validation of Array IndexVariant
- Data version
- 5.2
- Document digest
- d935caedde51f330ce73f701bfb7259ad3f2b9e6c808d5b6aa0c3d863d84b9de
05 Affected products
06 References
- github.comhttps://github.com/go-jose/go-jose/security/advisories/GHSA-4w3g-jfj2-cw2q
- github.comhttps://github.com/go-jose/go-jose/pull/292
- github.comhttps://github.com/go-jose/go-jose/commit/35883f7999e87cbd1b1f4cda07fdad8cd71c3dd6
- github.comhttps://github.com/go-jose/go-jose/commit/74114c2fa22669a2b2a296746eaa82e15566fd54
- github.comhttps://github.com/go-jose/go-jose/releases/tag/v4.1.5
07 Fixed in
Ubuntu 20.04 LTS
- golang-gopkg-square-go-jose.v2 No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 22.04 LTS
- golang-gopkg-square-go-jose.v2 No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 24.04 LTS
- golang-github-go-jose-go-jose No fix yet
- golang-gopkg-square-go-jose.v2 No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 26.04 LTS
- golang-github-go-jose-go-jose.v3 No fix yet
- golang-gopkg-square-go-jose.v2 No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 26.10
- golang-github-go-jose-go-jose No fix yet
- golang-github-go-jose-go-jose.v3 No fix yet
- golang-gopkg-square-go-jose.v2 No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 26.04 LTS
- golang-github-go-jose-go-jose No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.