Skip to main content
VulnerabilityPublished

CVE-2026-65631: potatosalad jose · Inefficient Algorithmic Complexity

Affects potatosalad joseSource CVE Database V5

0

Not known to be exploited · CVSS 6.9 Medium : upgrade to 1.11.13 when convenient.

Data as of 26 Oct 2026, 20:14 UTC

CVSS 4.0 base score
6.9Medium
How severe the flaw is on the 0–10 CVSS scale.
Patch
Available – fixed in 1.11.13, bfd336c0062bff93e65d08c22361897e96afd956
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 26 Oct 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq 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 26 Oct 2026.

What to do

Upgrade jose to 1.11.13; jose to bfd336c0062bff93e65d08c22361897e96afd956.

Affected software

ProductAffectedFixed in
potatosaladjoseAffected
  • >=1.7.7 <1.11.13
Fixed in
  • 1.11.13
josepotatosalad/erlang-joseAffected
  • ≥ d19e1ba68d88c68d29aa942be2573a22dbafca1f, < bfd336c0062bff93e65d08c22361897e96afd956
Fixed in
  • bfd336c0062bff93e65d08c22361897e96afd956
Hexjosepkg:hex/joseOther threatsAffected
  • >=1.7.7 <1.11.13
Fixed in
  • 1.11.13

CPE configurations (1)

  • cpe:2.3:a:potatosalad:jose:*:*:*:*:*:*:*:*

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

Upgrade to jose version 1.11.13 or later, where the vulnerability is fixed. No other mitigation or configuration changes are indicated by the vendor advisory.

Description

CVE-2026-65631 is an inefficient algorithmic complexity vulnerability in the potatosalad jose library versions from 1.7.7 up to but not including 1.11.13. It allows an unauthenticated remote attacker to cause a CPU-exhaustion denial of service by submitting a crafted RSA JSON Web Key that triggers expensive factoring operations. The issue is fixed in version 1.11.13.

References

Community reviews

Loading reviews…