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CVE-2026-48061

Litestar is an Asynchronous Server Gateway Interface (ASGI) framework. In versions prior to 2.22.0, an attacker can bypass the allowed hosts validation by omitting the Host header and supplying an X-Forwarded-Host header set to a whitelisted domain. The AllowedHostsMiddleware trusts the X-Forwarded-Host header as a fallback when the Host header is absent. Since X-Forwarded-Host is a client-controllable header, this enables host header injection attacks such as password reset poisoning, cache poi
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:0688ba8c87f5ddf193633b5fc9ad481dde3deb85d460ec9de97a39dee0d45adc
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"litestar","vendor":"litestar-org","versions":[{"status":"affected","version":"< 2.22.0"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:9bcd421dab7c2c5840ee929da9654364fea0a76c9941fbcb234e517639066b57 · sha256:ebf06ec2264025d2… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":5.9,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:9bcd421dab7c2c5840ee929da9654364fea0a76c9941fbcb234e517639066b57 · sha256:ebf06ec2264025d2… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-644","description":"CWE-644: Improper Neutralization of HTTP Headers for Scripting Syntax","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:9bcd421dab7c2c5840ee929da9654364fea0a76c9941fbcb234e517639066b57 · sha256:ebf06ec2264025d2… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions
{"name":"https://github.com/litestar-org/litestar/commit/6930a20ceb543912cd651b42deae5b9f3637a262","tags":["x_refsource_MISC"],"url":"https://github.com/litestar-org/litestar/commit/6930a20ceb543912cd651b42deae5b9f3637a262"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:9bcd421dab7c2c5840ee929da9654364fea0a76c9941fbcb234e517639066b57 · sha256:ebf06ec2264025d2… · /containers/cna/references/1
{"name":"https://github.com/litestar-org/litestar/security/advisories/GHSA-3qmc-cj7q-62hv","tags":["x_refsource_CONFIRM"],"url":"https://github.com/litestar-org/litestar/security/advisories/GHSA-3qmc-cj7q-62hv"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:9bcd421dab7c2c5840ee929da9654364fea0a76c9941fbcb234e517639066b57 · sha256:ebf06ec2264025d2… · /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.

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