Reference page — cumulative record through Thursday, October 8, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2026-102275

CVE-2026-102275HIGH

jpadilla pyjwt — PyJWT accepts inconsistent OKP x/d JWKs, causing public/private key identity confusion

  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS   %ile   KEV
   N   L   N   N  U  L  H  N    8.2   .0014    3.1     —

AFFECTED
  Product  Versions              Fixed
  pyjwt    >= 2.1.0, < 2.15.0 –  —

TIMELINE
  Sep 28  Reserved by GitHub_M
  Sep 28  Published (CNA: GitHub_M)
  Oct 6   EXPLOIT PUBLISHED — CVE-2026-102275 (jpadilla pyjwt). Public exploit reference added.
  Oct 6   RESCORED — CVE-2026-102275 (jpadilla pyjwt). CVSS 6.5 → 8.2 (NVD).

CWE-345, CWE-348 · CNA: GitHub_M · CVSS v3.1 · 3 references · NVD status: Analyzed

Description

PyJWT is a Python implementation of JSON Web Token standards. From 2.1.0 until 2.15.0, PyJWT OKPAlgorithm.from_jwk in jwt/algorithms.py is affected because private-JWK import path does not compare the public key derived from d with x. This occurs when an OKP private JWK supplies non-corresponding x and d components. As a result, identity derived from x can differ from operations performed with d. Consequently, if an integration also accepts private key parameters from a proof header without rejecting them, an attacker may use a stolen sender-constrained token without the legitimate private key. This issue is fixed in version 2.15.0.

Lifecycle

Complete event history — 4 events, chronological
Date	Event	Detail
September 28, 2026	Reserved	Reserved by GitHub_M
September 28, 2026	Published	Published (CNA: GitHub_M)
October 6, 2026	EXPLOIT PUBLISHED	EXPLOIT PUBLISHED — CVE-2026-102275 (jpadilla pyjwt). Public exploit reference added.
October 6, 2026	RESCORED	RESCORED — CVE-2026-102275 (jpadilla pyjwt). CVSS 6.5 → 8.2 (NVD).

Affected

Affected products and packages — 1 row
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
jpadilla	pyjwt	—	>= 2.1.0, < 2.15.0	—

Weaknesses

CWE-345 · CWE-348

References (3)

https://github.com/jpadilla/pyjwt/commit/3cd9ceec33ced359decbad75b413ad668ae6332c [Patch]
https://github.com/jpadilla/pyjwt/releases/tag/2.15.0 [Product, Release Notes]
https://github.com/jpadilla/pyjwt/security/advisories/GHSA-x33g-cr3x-6449 [Exploit, Vendor Advisory]

Authoritative record: CVE-2026-102275 at cve.org

Vendors: jpadilla

Weaknesses: CWE-345 · CWE-348

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-102275 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Thursday, October 8, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.