How many CVEs have patched _merge_options?

1 published CVEs changed _merge_options in jpadilla/pyjwt, in 1 distinct patches totalling 20 changed lines, between 2026 and 2026.

What is the latest CVE that changed _merge_options?

CVE-2026-103001 (PyJWT.decode() reintroduces options-dict mutation, enabling silent claim-verification bypass on dict reuse), published 2026-09-30, changed lines 79 to 90 of jwt/api_jwt.py.

How does _merge_options compare to the rest of jpadilla/pyjwt?

jpadilla/pyjwt has 17 CVEs with a located fix in total; 1 of them changed _merge_options.

What do the line numbers refer to?

Line numbers are in the fixed version of the file, as the upstream patch left it. A CVE whose fix was backported to several branches is listed once, with the lines from the upstream commit.

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jpadilla/pyjwt

Function

_merge_options

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

jwt/api_jwt.py

Last patched September 30, 2026

1

CVEs

That changed this function

1

Distinct patches

Backports counted once

20

Lines changed

Added plus removed

2026

Years

By CVE publication date

Overview

_merge_options in jpadilla/pyjwt was changed by 1 published CVE fixes in 2026, in 1 distinct patches that added or removed 20 lines in total.

jpadilla/pyjwt has 17 CVEs with a located fix in total, so 6% of them touched this function.

CVEs that patched it

Every published CVE whose fix changed _merge_options, newest first, with the lines each fix touched.

PyJWT.decode() reintroduces options-dict mutation, enabling silent claim-verification bypass on dict reuse
CVE-2026-103001 · lines 79–90 · +11 −9
Medium · CVSS 6.5
EPSS 0.2%2026-09-30

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Other functions in these files

Functions in the same file that CVE fixes also changed.

Other hotspots in the repository

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

prepare_key4 CVEs · jwt/algorithms.py raw_to_der_signature3 CVEs · jwt/utils.py _load2 CVEs · jwt/api_jws.py fetch_data2 CVEs · jwt/jwks_client.py _verify_signature2 CVEs · jwt/api_jws.py decode2 CVEs · jwt/api_jws.py

All patched functions in jpadilla/pyjwt

Frequently asked questions

Common questions about CVE fixes to _merge_options.

How many CVEs have patched _merge_options?: 1 published CVEs changed _merge_options in jpadilla/pyjwt, in 1 distinct patches totalling 20 changed lines, between 2026 and 2026.
What is the latest CVE that changed _merge_options?: CVE-2026-103001 (PyJWT.decode() reintroduces options-dict mutation, enabling silent claim-verification bypass on dict reuse), published 2026-09-30, changed lines 79 to 90 of jwt/api_jwt.py.
How does _merge_options compare to the rest of jpadilla/pyjwt?: jpadilla/pyjwt has 17 CVEs with a located fix in total; 1 of them changed _merge_options.
What do the line numbers refer to?: Line numbers are in the fixed version of the file, as the upstream patch left it. A CVE whose fix was backported to several branches is listed once, with the lines from the upstream commit.

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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