How many CVEs have a located fix in jpadilla/pyjwt?

17 published CVEs have a fix traced to functions in jpadilla/pyjwt, touching 22 functions across 7 files.

Which function in jpadilla/pyjwt has been patched by the most CVEs?

prepare_key in jwt/algorithms.py has been changed by 4 CVE fixes, from 2017 to 2026.

How large is a typical CVE fix in jpadilla/pyjwt?

The median fix changes 20 lines. 59% of fixes change 20 lines or fewer, and 59% change a single function.

How is a fix located to a function?

The upstream fix commit for each CVE is fetched and its diff is split into hunks. Each hunk is attributed to the function, method or type it changes, using the definition the diff itself names. Backports of the same fix to stable branches are counted once.

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#324 of 500 repositories

jpadilla/pyjwt

Name: jpadilla/pyjwt: functions patched by CVE fixes
Creator: RadicalNotion.AI
License: https://creativecommons.org/licenses/by-nc/4.0/

Functions and files changed by CVE fixes in this repository.

Latest located fix September 30, 2026

17

CVE fixes located

Published CVEs

22

Functions patched

Distinct function sites

7

Files patched

Distinct source files

2017–2026

Years covered

By CVE publication date

Overview

17 published CVEs have a fix traced to functions in jpadilla/pyjwt, the earliest published in 2017. Those fixes changed 22 distinct functions across 7 files, in 81 patch hunks.

Among the 500 repositories tracked here, jpadilla/pyjwt ranks #324 by the number of CVEs with a located fix.

Most patched functions

Functions in jpadilla/pyjwt changed by the most CVE fixes.

Most patched files

Files in jpadilla/pyjwt changed by the most CVE fixes.

1jwt/algorithms.py6 CVEs · 3 functions
2jwt/api_jws.py5 CVEs · 7 functions
3jwt/api_jwt.py4 CVEs · 5 functions
4jwt/utils.py3 CVEs · 1 functions
5jwt/jwks_client.py2 CVEs · 5 functions
6jwt/api_jwk.py1 CVEs · 1 functions
7jwt/__init__.py1 CVEs · 0 functions

Fix size

How much code a CVE fix in jpadilla/pyjwt changes, with backports counted once.

20

Median lines changed

Added plus removed, per CVE

59%

Fixes of 20 lines or fewer

Share of CVE fixes

59%

Fixes in a single function

Share of CVE fixes

Latest CVEs

The most recently published CVEs with a fix located in jpadilla/pyjwt, and the functions each fix changed.

PyJWT.decode() reintroduces options-dict mutation, enabling silent claim-verification bypass on dict reuse
CVE-2026-103001_merge_options
Medium · CVSS 6.5
EPSS 0.2%2026-09-30
PyJWT: Uncaught RecursionError in jwt.decode() on deeply nested token header
CVE-2026-102265_load
Medium · CVSS 5.3
EPSS 0.3%2026-09-28
PyJWT accepts inconsistent OKP x/d JWKs, causing public/private key identity confusion
CVE-2026-102275from_jwk
High · CVSS 8.2
EPSS 0.1%2026-09-28
PyJWT: Malformed RSA JWK aborts parsing of an entire JWK Set
CVE-2026-102274__init__
High · CVSS 7.5
EPSS 0.4%2026-09-28
PyJWT accepts public JWK containers as HMAC secrets
CVE-2026-102273prepare_key
High · CVSS 7.4
EPSS 0.2%2026-09-28
PyJWT BOM Bypass
CVE-2026-102272prepare_key
High · CVSS 7.4
EPSS 0.2%2026-09-28
PyJWT: Public keys in DER form are accepted as HMAC secrets, bypassing the CVE-2022-29217 guard
CVE-2026-102271_is_der_key
High · CVSS 7.4
EPSS 0.2%2026-09-28
PyJWT: ReDoS vulnerability when calling the `is_pem_format` function.
CVE-2026-102270raw_to_der_signature
Medium · CVSS 4.9
EPSS 0.2%2026-09-28
PyJWT: Non-canonical signature segments enable raw-token revocation bypass
CVE-2026-102269_decode_base64url_segment _load PyJWS
Medium · CVSS 5.4
EPSS 0.2%2026-09-28
PyJWT: Asymmetric-PEM detection bypass: whitespace/line-ending-mutated public keys skip the HS/asymmetric confusion guard
CVE-2026-102268raw_to_der_signature
Critical · CVSS 9.1
EPSS 0.2%2026-09-28
PyJWT: PyJWKClient follows redirects when fetching JWKS
CVE-2026-102267_NoRedirectHandler fetch_data
Critical · CVSS 9.1
EPSS 0.2%2026-09-28
PyJWK accepts empty HMAC keys, bypassing PyJWT's empty-key validation
CVE-2026-102266_verify_signature
Critical · CVSS 9.1
EPSS 0.2%2026-09-28

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Other repositories

Repositories with a similar number of located CVE fixes.

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Frequently asked questions

Common questions about CVE fixes in jpadilla/pyjwt.

How many CVEs have a located fix in jpadilla/pyjwt?: 17 published CVEs have a fix traced to functions in jpadilla/pyjwt, touching 22 functions across 7 files.
Which function in jpadilla/pyjwt has been patched by the most CVEs?: prepare_key in jwt/algorithms.py has been changed by 4 CVE fixes, from 2017 to 2026.
How large is a typical CVE fix in jpadilla/pyjwt?: The median fix changes 20 lines. 59% of fixes change 20 lines or fewer, and 59% change a single function.
How is a fix located to a function?: The upstream fix commit for each CVE is fetched and its diff is split into hunks. Each hunk is attributed to the function, method or type it changes, using the definition the diff itself names. Backports of the same fix to stable branches are counted once.

References

Fix locations are computed by RadicalNotion.AI from the upstream patch diff of each CVE. CVE data is sourced from the CVE Program.

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