The vulnerability of the PyJWT.decode() function in the implementation of the PyJWT library allows attackers to bypass existing security mechanisms.
🗓️ 02 Oct 2026 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec🔗 bdu.fstec.ru👁 1 Views
| Reporter | Title | Published | Views | Family All 47 |
|---|---|---|---|---|
 | CVE-2026-103001 vulnerabilities | 2 Oct 202602:54 | – | cgr |
 | CVE-2026-103001 | 8 Sep 202620:06 | – | circl |
 | CVE-2026-103001 | 30 Sep 202621:15 | – | cve |
 | CVE-2026-103001 PyJWT.decode() reintroduces options-dict mutation, enabling silent claim-verification bypass on dict reuse | 30 Sep 202621:15 | – | cvelist |
 | CVE-2026-103001 | 30 Sep 202621:15 | – | debiancve |
 | EUVD-2026-90388 | 30 Sep 202623:53 | – | euvd |
 | PyJWT.decode() reintroduces options-dict mutation, enabling silent claim-verification bypass on dict reuse | 30 Sep 202623:53 | – | github |
 | CVE-2026-103001 | 30 Sep 202622:16 | – | nvd |
 | CGA-349G-HXJ5-Q8M4 | 1 Oct 202603:14 | – | osv |
| CGA-3FVF-W238-WC98 | 1 Oct 202613:26 | – | osv |
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02 Oct 2026 00:00Current
6.6Medium risk
Vulners AI Score6.6
CVSS 26.1
CVSS 36.5
EPSS0.00236