{"id":"CVE-2019-6802","aliases":["EUVD-2019-0108","GHSA-mh24-7wvg-v88g","PYSEC-2019-113"],"status":"published","title":"CRLF Injection in pypiserver","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.","severity":{"version":"3.0","score":6.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.03802,"percentile":0.90088,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-74","CWE-79"],"published":"2019-01-25T04:00:00Z","modified":"2026-10-20T10:51:41Z","exploits":[{"source":"nuclei","id":"CVE-2019-6802","title":"Pypiserver \u003c1.2.5 - Carriage Return Line Feed Injection","type":"detection template","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2019/CVE-2019-6802.yaml"}],"fixes":[{"ecosystem":"PyPI","package":"pypiserver","fixed_in":["1.2.6"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"PyPI","package":"pypiserver","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"1.2.5"},{"fixed":"1.2.6"}]}]},{"source":"osv","ecosystem":"PyPI","package":"pypiserver","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.6"}]}],"versions":["0.1.0","0.1.1","0.1.2","0.1.3","0.2.0","0.3.0","0.4.0","0.4.1","0.5.0","0.5.1","0.5.2","0.6.0","0.6.1","1.0.0","1.0.1","1.1.0","1.1.1","1.1.10","1.1.2","1.1.3","1.1.4","1.1.5","1.1.6","1.1.7","1.1.7-rc.1","1.1.8","1.1.8b0","1.1.8b1","1.1.9","1.1.9.dev0","1.1.9.dev1","1.1.9.dev2","1.2.0","1.2.0.dev1","1.2.0b1","1.2.1","1.2.1.dev0","1.2.1rc0","1.2.2","1.2.2.dev0","1.2.3","1.2.4","1.2.5"]},{"source":"osv","ecosystem":"PyPI","package":"pypiserver","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.6"}]}],"versions":["0.1.0","0.1.1","0.1.2","0.1.3","0.2.0","0.3.0","0.4.0","0.4.1","0.5.0","0.5.1","0.5.2","0.6.0","0.6.1","1.0.0","1.0.1","1.1.0","1.1.1","1.1.2","1.1.3","1.1.4","1.1.5","1.1.6","1.1.7-rc.1","1.1.7","1.1.8b0","1.1.8b1","1.1.8","1.1.9.dev0","1.1.9.dev1","1.1.9.dev2","1.1.9","1.1.10","1.2.0.dev1","1.2.0b1","1.2.0","1.2.1.dev0","1.2.1rc0","1.2.1","1.2.2.dev0","1.2.2","1.2.3","1.2.4","1.2.5"]}],"products":[{"vendor":"python","product":"pypiserver"}],"references":[{"url":"https://github.com/pypiserver/pypiserver/issues/237","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","evidence","web","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-6802","tags":["advisory"]},{"url":"https://github.com/pypiserver/pypiserver/commit/1375a67c55a9b8d4619df30d2a1c0b239d7357e6","tags":["web"]},{"url":"https://github.com/pypa/advisory-database/tree/main/vulns/pypiserver/PYSEC-2019-113.yaml","tags":["web"]},{"url":"https://github.com/advisories/GHSA-mh24-7wvg-v88g","tags":["advisory"]},{"url":"https://github.com/pypiserver/pypiserver","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2019-6802","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.","status":"published","published":"2019-01-25T04:00:00Z","modified":"2024-08-04T20:31:04.297Z","updated_at":"2026-11-02T14:20:23.381621Z"}],"euvd":[{"id":"EUVD-2019-0108","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.","status":"published","published":"2019-01-25T04:00:00Z","modified":"2024-08-04T20:31:04Z","updated_at":"2026-11-03T03:06:48.659106Z"}],"ghsa":[{"id":"GHSA-mh24-7wvg-v88g","title":"CRLF Injection in pypiserver","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.","status":"published","published":"2019-01-30T20:56:26Z","modified":"2024-10-15T16:01:04Z","cvss":[{"version":"3.0","score":6.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-74","CWE-79"],"updated_at":"2026-11-02T14:38:10.696798Z"}],"nvd":[{"id":"CVE-2019-6802","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.","status":"published","published":"2019-01-25T04:29:00.24Z","modified":"2026-06-17T02:39:42.437Z","cvss":[{"version":"3.0","score":6.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-74","CWE-79"],"updated_at":"2026-11-02T14:05:02.989216Z"}],"osv":[{"id":"CVE-2019-6802","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.","status":"published","published":"2019-01-25T04:29:00.24Z","modified":"2026-10-20T10:51:41.843954592Z","cvss":[{"version":"3.0","score":6.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:12.675558Z"},{"id":"GHSA-mh24-7wvg-v88g","title":"CRLF Injection in pypiserver","description":"CRLF Injection in pypiserver 1.2.5 and below allows 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