CVE-2026-119283 joserfc - Denial of Service

joserfc < 1.7.5 contains a denial of service caused by unbounded processing of JWE recipients array in jwe.decrypt_json(), letting unauthenticated attackers exhaust CPU by submitting crafted JWE, exploit requires attacker to submit JWE with multiple recipients.

CVSS base score 7.5 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.23% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Denial of Service
Impact
Denial Of Service
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published
29 October 2026
Updated
31 October 2026
Weakness
CWE-400

Vendor fix

Update to version 1.7.5 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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