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CVE-2026-85394: Improper Verification of Cryptographic Signature

🗓️ 03 Sep 2026 00:00:00Reported by Rapid7Type 
rapid7
 rapid7
🔗 www.rapid7.com👁 9 Views

python-jose through 3.5.0 fails to validate asymmetric keys, enabling token forgery.

Related
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-85394
3 Sep 202619:35
–circl
cve
CVE
CVE-2026-85394
3 Sep 202618:54
–cve
cvelist
Cvelist
CVE-2026-85394 python-jose through 3.5.0 Algorithm Confusion via DER-encoded Public Key as HMAC Secret
3 Sep 202618:54
–cvelist
debiancve
Debian CVE
CVE-2026-85394
3 Sep 202618:54
–debiancve
euvd
EUVD
EUVD-2026-70671
3 Sep 202618:54
–euvd
github
Github Security Blog
python-jose algorithm confusion guard bypassed by DER-encoded public keys
3 Sep 202621:31
–github
mend
Mend
CVE-2026-85394
3 Sep 202618:54
–mend
nvd
NVD
CVE-2026-85394
3 Sep 202619:17
–nvd
osv_cga
osv_cga
CGA-5HJ5-FVHF-WW7G
6 Oct 202612:22
–osv_cga
osv_cga
osv_cga
CGA-673C-85QQ-FQ79
6 Oct 202613:35
–osv_cga
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24 Sep 2026 00:00Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.19.1
CVSS 49.3
EPSS0.00222
SSVC
9