CRLF Injection in pypiserver
CRLF Injection in pypiserver 1.2.5 and below allows attackers to set arbitrary HTTP headers and possibly conduct XSS attacks via a %0d%0a in a URI.
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Python (PyPI) | pypiserver | < 1.2.6 | 1.2.6 |
References
- https://github.com/pypiserver/pypiserver/issues/237
- https://github.com/advisories/GHSA-mh24-7wvg-v88g
- https://nvd.nist.gov/vuln/detail/CVE-2019-6802
- https://github.com/pypiserver/pypiserver/commit/1375a67c55a9b8d4619df30d2a1c0b239d7357e6
- https://github.com/pypa/advisory-database/tree/main/vulns/pypiserver/PYSEC-2019-113.yaml
- https://github.com/pypiserver/pypiserver
- CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N- Weakness (CWE)
CWE-74, CWE-79- Platform
- Python (PyPI)
- Package
pypiserver- Disclosed
- 25.01.2019
- Updated
- 11.10.2026 11:20
Sources and licenses
OSV / GitHub Advisory Database - PYSEC-2019-113 - PyPA Advisory Database; CC BY 4.0
OSV / GitHub Advisory Database - GHSA-mh24-7wvg-v88g - CC BY 4.0
Vulnerability history: pypiserver
All published vulnerabilities of this package (Python (PyPI)), newest first. Shows whether this is a one-off slip or a package that needs watching.
This is the only known vulnerability of this package.
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