CVE Explorer
CVE-2026-22779
BlackSheep is an asynchronous web framework to build event based web applications with Python. Prior to 2.4.6, the HTTP Client implementation in BlackSheep is vulnerable to CRLF injection. Missing headers validation makes it possible for an attacker to modify the HTTP requests (e.g. insert a new header) or even create a new HTTP request. Exploitation requires developers to pass unsanitized user input directly into headers.The server part is not affected because BlackSheep delegates to an underly
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"product":"BlackSheep","vendor":"Neoteroi","versions":[{"status":"affected","version":"< 2.4.6"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:c498dd1c4900ef03577dbd4c67c176ad03f9cdf18fad4228d5a626942104a015 · sha256:93c17325f19ec8a5… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"attackComplexity":"LOW","attackRequirements":"PRESENT","attackVector":"NETWORK","baseScore":6.3,"baseSeverity":"MEDIUM","privilegesRequired":"NONE","subAvailabilityImpact":"NONE","subConfidentialityImpact":"LOW","subIntegrityImpact":"LOW","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE"},"metric_type":"cvssV4_0"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:c498dd1c4900ef03577dbd4c67c176ad03f9cdf18fad4228d5a626942104a015 · sha256:93c17325f19ec8a5… · /containers/cna/metrics/0/cvssV4_0
CWE assertions
1 source assertion{"cweId":"CWE-113","description":"CWE-113: Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Request/Response Splitting')","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:c498dd1c4900ef03577dbd4c67c176ad03f9cdf18fad4228d5a626942104a015 · sha256:93c17325f19ec8a5… · /containers/cna/problemTypes/0/descriptions/0
Source references
3 source assertions{"name":"https://github.com/Neoteroi/BlackSheep/commit/bd4ecb9542b5d52442276b5a6907931b90f38d12","tags":["x_refsource_MISC"],"url":"https://github.com/Neoteroi/BlackSheep/commit/bd4ecb9542b5d52442276b5a6907931b90f38d12"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:c498dd1c4900ef03577dbd4c67c176ad03f9cdf18fad4228d5a626942104a015 · sha256:93c17325f19ec8a5… · /containers/cna/references/1
{"name":"https://github.com/Neoteroi/BlackSheep/releases/tag/v2.4.6","tags":["x_refsource_MISC"],"url":"https://github.com/Neoteroi/BlackSheep/releases/tag/v2.4.6"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:c498dd1c4900ef03577dbd4c67c176ad03f9cdf18fad4228d5a626942104a015 · sha256:93c17325f19ec8a5… · /containers/cna/references/2
{"name":"https://github.com/Neoteroi/BlackSheep/security/advisories/GHSA-6pw3-h7xf-x4gp","tags":["x_refsource_CONFIRM"],"url":"https://github.com/Neoteroi/BlackSheep/security/advisories/GHSA-6pw3-h7xf-x4gp"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:c498dd1c4900ef03577dbd4c67c176ad03f9cdf18fad4228d5a626942104a015 · sha256:93c17325f19ec8a5… · /containers/cna/references/0
Attribution and limitations
- CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →
Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.