VulnerabilityModified
CVE-2019-6802
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.
MEDIUM 6.1EPSS 3.80%
Does this matter?
Lower severity and a low EPSS score (3.80%). Track it; it rarely justifies an emergency change on its own.
Description
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.
- CVSS 3.0
- 6.1 MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- EPSS
- 3.80% probability · 90th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-74, CWE-79
- Affected
- python/pypiserver
- Source
- cve@mitre.org
EPSS 3.8% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://github.com/pypiserver/pypiserver/issues/237Exploit, Third Party Advisory
- https://github.com/pypiserver/pypiserver/issues/237Exploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.