The vulnerability of the is_pem_format() function in the jwt/utils.py library of PyJWT allows a attacker to bypass existing security mechanisms and disclose sensitive information.
🗓️ 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 185 |
|---|---|---|---|---|
 | Exploit for CVE-2026-102268 | 2 Oct 202613:12 | – | githubexploit |
 | CVE-2026-102268 vulnerabilities | 30 Sep 202620:54 | – | cgr |
 | CVE-2026-102268 | 11 Sep 202613:37 | – | circl |
 | CVE-2026-102268 | 28 Sep 202620:26 | – | cve |
 | CVE-2026-102268 PyJWT: Asymmetric-PEM detection bypass: whitespace/line-ending-mutated public keys skip the HS/asymmetric confusion guard | 28 Sep 202620:26 | – | cvelist |
 | CVE-2026-102268 | 28 Sep 202620:26 | – | debiancve |
 | EUVD-2026-88535 | 28 Sep 202620:26 | – | euvd |
 | PyJWT: Asymmetric-PEM detection bypass: whitespace/line-ending-mutated public keys skip the HS/asymmetric confusion guard | 29 Sep 202623:17 | – | github |
 | PyJWT: Asymmetric-PEM detection bypass: whitespace/line-ending-mutated public keys skip the HS/asymmetric confusion guard | 30 Sep 202608:04 | – | mscve |
 | CVE-2026-102268 | 28 Sep 202621:17 | – | nvd |
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02 Oct 2026 00:00Current
6.5Medium risk
Vulners AI Score6.5
CVSS 39.1
CVSS 29.4
EPSS0.00196