CVE-2026-0865

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Source
https://cve.org/CVERecord?id=CVE-2026-0865
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-0865.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-0865
Aliases
Downstream
Related
Published
2026-01-20T22:15:52.800Z
Modified
2026-02-26T16:29:27.722650Z
Severity
  • 5.9 (Medium) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X CVSS Calculator
Summary
[none]
Details

User-controlled header names and values containing newlines can allow injecting HTTP headers.

References

Affected packages

Git / github.com/python/cpython

Affected ranges

Type
GIT
Repo
https://github.com/python/cpython
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
22e4d55285cee52bc4dbe061324e5f30bd4dee58
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
23e3c0ae867cca0130e441e776c9955b9027c510
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
2f840249550e082dc351743f474ba56da10478d2
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
4802b96a2cde58570c24c13ef3289490980961c5
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
66da7bf6fe7b81e3ecc9c0a25bd47d4616c8d1a6
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
83ecd18779f286d872f68bfce175651e407d9fff
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
bfba660085767f8c2d582134e9d511a85eda04cf
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
e4846a93ac07a8ae9aa18203af0dd13d6e7a6995
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
f7fceed79ca1bceae8dbe5ba5bc8928564da7211

Affected versions

2.*
2.5
3.*
3.2
v0.*
v0.9.8
v0.9.9
v1.*
v1.0.1
v1.0.2
v1.1
v1.1.1
v1.2
v1.2b1
v1.2b2
v1.2b3
v1.2b4
v1.3
v1.3b1
v1.4
v1.4b1
v1.4b2
v1.4b3
v1.5
v1.5.1
v1.5.2
v1.5.2a1
v1.5.2a2
v1.5.2b1
v1.5.2b2
v1.5.2c1
v1.5a1
v1.5a2
v1.5a3
v1.5a4
v1.5b1
v1.5b2
v1.6a1
v1.6a2
v2.*
v2.0
v2.0b1
v2.0b2
v2.0c1
v2.1
v2.1a1
v2.1a2
v2.1b1
v2.1b2
v2.1c1
v2.1c2
v2.2a3
v2.3c1
v2.3c2
v2.4
v2.4a1
v2.4a2
v2.4a3
v2.4b1
v2.4b2
v2.4c1
v2.5
v2.5.1
v2.5.1c1
v2.5.2
v2.5.2c1
v2.5.3
v2.5.3c1
v2.5.4
v2.5.5
v2.5.5c1
v2.5.5c2
v2.5.6
v2.5.6c1
v2.5a0
v2.5a1
v2.5a2
v2.5b1
v2.5b2
v2.5b3
v2.5c1
v2.5c2
v2.6
v2.6.1
v2.6.2
v2.6.2c1
v2.6.3
v2.6.3rc1
v2.6.4
v2.6.4rc1
v2.6.4rc2
v2.6.5
v2.6.5rc1
v2.6.5rc2
v2.6.6
v2.6.6rc1
v2.6.6rc2
v2.6.7
v2.6.8
v2.6.8rc1
v2.6.8rc2
v2.6a1
v2.6a2
v2.6a3
v2.6b1
v2.6b2
v2.6b3
v2.6rc1
v2.6rc2
v2.7
v2.7.1
v2.7.1rc1
v2.7.2
v2.7.2rc1
v2.7.3
v2.7.3rc1
v2.7.3rc2
v2.7.4rc1
v2.7a1
v2.7a2
v2.7a3
v2.7a4
v2.7b1
v2.7b2
v2.7rc1
v2.7rc2
v3.*
v3.0a1
v3.0a2
v3.0a3
v3.0a4
v3.0a5
v3.0b1
v3.0b2
v3.0b3
v3.0rc1
v3.0rc2
v3.0rc3
v3.1
v3.1.1
v3.1.1rc1
v3.1.2
v3.1.2rc1
v3.1.3
v3.1.3rc1
v3.1.4
v3.1.4rc1
v3.1.5
v3.1.5rc1
v3.1.5rc2
v3.10.0
v3.10.0a1
v3.10.0a2
v3.10.0a3
v3.10.0a4
v3.10.0a5
v3.10.0a6
v3.10.0a7
v3.10.0b1
v3.10.0b2
v3.10.0b3
v3.10.0b4
v3.10.0rc1
v3.10.0rc2
v3.10.1
v3.10.10
v3.10.11
v3.10.12
v3.10.13
v3.10.14
v3.10.15
v3.10.16
v3.10.17
v3.10.18
v3.10.19
v3.10.2
v3.10.3
v3.10.4
v3.10.5
v3.10.6
v3.10.7
v3.10.8
v3.10.9
v3.11.0
v3.11.0a1
v3.11.0a2
v3.11.0a3
v3.11.0a4
v3.11.0a5
v3.11.0a6
v3.11.0a7
v3.11.0b1
v3.11.0b2
v3.11.0b3
v3.11.0b4
v3.11.0b5
v3.11.0rc1
v3.11.0rc2
v3.11.1
v3.11.10
v3.11.11
v3.11.12
v3.11.13
v3.11.14
v3.11.2
v3.11.3
v3.11.4
v3.11.5
v3.11.6
v3.11.7
v3.11.8
v3.11.9
v3.12.0
v3.12.0a1
v3.12.0a2
v3.12.0a3
v3.12.0a4
v3.12.0a5
v3.12.0a6
v3.12.0a7
v3.12.0b1
v3.12.0b2
v3.12.0b3
v3.12.0b4
v3.12.0rc1
v3.12.0rc2
v3.12.0rc3
v3.12.1
v3.12.10
v3.12.11
v3.12.12
v3.12.2
v3.12.3
v3.12.4
v3.12.5
v3.12.6
v3.12.7
v3.12.8
v3.12.9
v3.13.0
v3.13.0a1
v3.13.0a2
v3.13.0a3
v3.13.0a4
v3.13.0a5
v3.13.0a6
v3.13.0b1
v3.13.0b2
v3.13.0b3
v3.13.0b4
v3.13.0rc1
v3.13.0rc2
v3.13.0rc3
v3.13.1
v3.13.10
v3.13.11
v3.13.2
v3.13.3
v3.13.4
v3.13.5
v3.13.6
v3.13.7
v3.13.8
v3.13.9
v3.14.0
v3.14.0a1
v3.14.0a2
v3.14.0a3
v3.14.0a4
v3.14.0a5
v3.14.0a6
v3.14.0a7
v3.14.0b1
v3.14.0b2
v3.14.0b3
v3.14.0b4
v3.14.0rc1
v3.14.0rc2
v3.14.0rc3
v3.14.1
v3.14.2
v3.15.0a1
v3.15.0a2
v3.15.0a3
v3.15.0a4
v3.15.0a5
v3.15.0a6
v3.1a1
v3.1a2
v3.1b1
v3.1rc1
v3.1rc2
v3.2
v3.2.1
v3.2.1b1
v3.2.1rc1
v3.2.1rc2
v3.2.2
v3.2.2rc1
v3.2.3
v3.2.3rc1
v3.2.3rc2
v3.2.4
v3.2.4rc1
v3.2.5
v3.2.6
v3.2.6rc1
v3.2a1
v3.2a2
v3.2a3
v3.2a4
v3.2b1
v3.2b2
v3.2rc1
v3.2rc2
v3.2rc3
v3.3.0
v3.3.0a1
v3.3.0a2
v3.3.0a3
v3.3.0a4
v3.3.0b1
v3.3.0b2
v3.3.0rc1
v3.3.0rc2
v3.3.0rc3
v3.3.1
v3.3.1rc1
v3.3.2
v3.3.3
v3.3.3rc1
v3.3.3rc2
v3.3.4
v3.3.4rc1
v3.3.5
v3.3.5rc1
v3.3.5rc2
v3.3.6
v3.3.6rc1
v3.4.0
v3.4.0a1
v3.4.0a2
v3.4.0a3
v3.4.0a4
v3.4.0b1
v3.4.0b2
v3.4.0b3
v3.4.0rc1
v3.4.0rc2
v3.4.0rc3
v3.4.1
v3.4.1rc1
v3.4.2
v3.4.2rc1
v3.4.3
v3.4.3rc1
v3.4.4
v3.4.4rc1
v3.4.5
v3.4.5rc1
v3.4.6
v3.4.6rc1
v3.5.0
v3.5.0a1
v3.5.0a2
v3.5.0a3
v3.5.0a4
v3.5.0b1
v3.5.0b2
v3.5.0b3
v3.5.0b4
v3.5.0rc1
v3.5.0rc2
v3.5.0rc3
v3.5.0rc4
v3.5.1
v3.5.1rc1
v3.5.2
v3.5.2rc1
v3.5.3
v3.5.3rc1
v3.6.0
v3.6.0a1
v3.6.0a2
v3.6.0a3
v3.6.0a4
v3.6.0b1
v3.6.0b2
v3.6.0b3
v3.6.0b4
v3.6.0rc1
v3.6.0rc2
v3.7.0a1
v3.7.0a2
v3.7.0a3
v3.7.0a4
v3.8.0a1
v3.8.0a2
v3.8.0a3
v3.8.0a4
v3.8.0b1
v3.9.0a1
v3.9.0a2
v3.9.0a3
v3.9.0a4
v3.9.0a5
v3.9.0a6

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-0865.json"