PT-2026-121814

CVE-2026-89316

·

Published

2026-10-23

·

Updated

2026-10-23

Description by

CVSS 4.0
6.3
Medium
MetricsAV:N/AC:H/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
LoadPublicKey resolved an EC key's curve with an unchecked type assertion, algToOptsMap[alg].(*ECDSAOptions). A JWK declaring "kty":"EC" together with a non-EC "alg" — which RFC 7517 §4.4 permits — reaches that assertion and panics.
Exploitability
Fix
Vendors
Affected products
Weakness enumeration
CWE-248: Uncaught Exception
Related identifiers
CVE-2026-89316
Found an issue in the description? Have something to add? Feel free to write us 👾
dbugs@ptsecurity.com