JOSE.JWK.shared_secret/2 · Infinite Recursion
Affects MicrosoftSource GCVE Database
Not known to be exploited · CVSS 5.9 Medium · fixed in 1.11.13 : update Microsoft when convenient.
Data as of 31 Oct 2026, 08:20 UTC
Thin evidence
One scorer or none| CNA (EEF) | CVSS 4.0 | 5.9 |
|---|
- EPSS
- 0.1% chance of exploitation in 30 days – higher than 3% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 1.11.13, 26182a7de63b91550035d3f08741f7d17f1f675a
CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:NExploitation evidence
Disclosed: evidence found.
CVE published 26 Oct 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 30 Oct 2026.
What to do
Upgrade jose to 1.11.13; jose to 26182a7de63b91550035d3f08741f7d17f1f675a.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| potatosaladjose | Affected
| Fixed in
|
| josepotatosalad/erlang-jose | Affected
| Fixed in
|
Hexjosepkg:hex/joseOther threats | Affected
| Fixed in
|
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
Description
CVE-2026-65628 is a vulnerability in Microsoft product version 3.0 involving infinite recursion in the JOSE.JWK.shared_secret/2 function when there are mismatched key types. This flaw can lead to CPU denial-of-service conditions.