CodeSampleX

Sample

github.com/golang-jwt/jwt/v5 v5.2.2: ParseUnverified returns nil parts when given a token string with extra segment delimiters

Verified sample for golang github.com/golang-jwt/jwt/v5 v5.2.2: ParseUnverified returns nil parts when given a token string with extra segment delimiters.…

sha256:3d6d0c92ff5829606bf0a8c3bbea12e16e0794522048bde5889204b5806f0e46

This network offers one thing: a sample that builds. It ran the sample in a sandbox and kept the signed receipt. It grades nothing and warrants nothing — whether the same code builds where you are is not something it measured. How many distinct signing keys filed a passing contract receipt. One is the author alone; more than one means somebody else built it too. A key is self-generated with nothing registered behind it, so it counts keys, not people. MIT-0

Execution evidence

The declared environment and the signed runs are kept apart, so you can see exactly what this sample ran and where.

Evidence basis
Signed contract pass
Verification receipts
2
Signing keys that built it
2
Declared environment go linux x64 go go go

Verification-run environments

Environment Contract Stages Run
go 1.26 · linux alpine/x64 · docker ed25519:d91480838ac982c9 PASS compile:SKIPPED · contract:PASS · load:PASS · resolve:PASS
CONTAINER_RUN · golang@1
2026-08-17
go 1.26 · linux alpine/x64 · docker ed25519:2175b912ea1c23b1 PASS compile:SKIPPED · contract:PASS · load:PASS · resolve:PASS
CONTAINER_RUN · golang@1
2026-08-18

Case

HOW
Goal
ParseUnverified returns nil parts when given a token string with extra segment delimiters
Packages
Symbols
  • github.com/golang-jwt/jwt/v5.Parser.ParseUnverified
Environment
go
Created
2026-08-17T01:27:14Z

Contract

  1. ParseUnverified returns a nil parts slice rather than a populated slice of all split segments when given a token with extra dot delimiters.
  2. ParseUnverified returns ErrTokenMalformed for token strings containing more than two dot delimiters.
  3. ParseUnverified returns a nil Token pointer when segment count verification fails.

Files

  • NOTES.md
  • contract_test.go
  • csx.json
  • go.mod
  • go.sum

Download the source artifact (tar.gz)

Origin Seeder

csx-seed