PYSEC-2026-1238

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Import Source
https://github.com/pypa/advisory-database/blob/main/vulns/chainlit/PYSEC-2026-1238.yaml
JSON Data
https://api.osv.dev/v1/vulns/PYSEC-2026-1238
Aliases
Published
2026-07-07T16:03:18.754455Z
Modified
2026-07-07T17:47:24.610200544Z
Severity
  • 4.2 (Medium) CVSS_V3 - CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N CVSS Calculator
  • 2.3 (Low) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N CVSS Calculator
Summary
Chainlit contains an authorization bypass vulnerability
Details

Chainlit versions prior to 2.8.5 contain an authorization bypass through user-controlled key vulnerability. If this vulnerability is exploited, threads may be viewed or thread ownership may be obtained by an attacker who can log in to the product.

References

Affected packages

PyPI / chainlit

Package

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.8.5

Affected versions

0.*
0.1.0
0.1.1
0.1.101
0.1.102
0.1.103
0.2.0
0.2.1
0.2.101
0.2.102
0.2.103
0.2.104
0.2.105
0.2.106
0.2.107
0.2.108
0.2.109
0.2.110
0.2.111
0.3.0
0.4.0
0.4.1
0.4.2
0.4.3
0.4.101
0.5.0
0.5.1
0.5.2
0.6.0
0.6.1
0.6.2
0.6.3
0.6.4
0.6.401
0.6.402
0.7.0
0.7.1
0.7.2
0.7.3
0.7.301
0.7.400
0.7.500
0.7.501
0.7.600rc0
0.7.600rc1
0.7.601rc0
0.7.602rc0
0.7.602
0.7.603
0.7.604rc0
0.7.604rc1
0.7.604rc2
0.7.604
0.7.700
1.*
1.0.0rc0
1.0.0rc1
1.0.0rc2
1.0.0rc3
1.0.0
1.0.100
1.0.101
1.0.200
1.0.300
1.0.301
1.0.400
1.0.401
1.0.500
1.0.501
1.0.502
1.0.503
1.0.504
1.0.505
1.0.506
1.1.0rc0
1.1.0rc1
1.1.0
1.1.101
1.1.200
1.1.201
1.1.202
1.1.300rc0
1.1.300rc1
1.1.300rc2
1.1.300rc3
1.1.300rc4
1.1.300rc5
1.1.300
1.1.301
1.1.302
1.1.303
1.1.304
1.1.305
1.1.306
1.1.400rc0
1.1.400rc1
1.1.400
1.1.401
1.1.402
1.1.403rc0
1.1.404
1.2.0rc0
1.2.0
1.3.0rc0
1.3.0rc1
1.3.0
1.3.1
1.3.2
2.*
2.0.dev0
2.0.dev1
2.0.dev2
2.0rc0
2.0rc1
2.0.0
2.0.1
2.0.2
2.0.3
2.0.4
2.0.5
2.0.6
2.0.601
2.0.602
2.0.603
2.1.0
2.1.1
2.1.2
2.2.0
2.2.1
2.3.0
2.4.0rc0
2.4.0
2.4.1
2.4.2
2.4.3
2.4.201
2.4.301
2.4.302
2.4.400
2.5.5
2.6.0
2.6.1
2.6.2
2.6.3
2.6.4
2.6.5
2.6.6
2.6.7
2.6.8
2.6.9
2.7.0
2.7.1
2.7.1.1
2.7.2
2.8.0
2.8.1
2.8.2
2.8.3
2.8.4

Database specific

source
"https://github.com/pypa/advisory-database/blob/main/vulns/chainlit/PYSEC-2026-1238.yaml"