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CVE-2026-55403

datamodel-code-generator generates Python data models from schema definitions. Prior to 0.63.0, src/datamodel_code_generator/http.py get_body reuses Authorization, Cookie, and Proxy-Authorization headers when following cross-origin redirects while fetching remote schemas, allowing credentials scoped to one schema host to be leaked to another redirect target. This issue is fixed in version 0.63.0.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:136e7523634f36b32acde6b93c2457ef5287e692787a8fde7411c82714ec8d84
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 2 assertions

{"cweId":"CWE-200","description":"CWE-200: Exposure of Sensitive Information to an Unauthorized Actor","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:811bbb422e13a1a8ed1552eec503e12d77bcb71114c5cb6198a4a2e5d26444af · sha256:7b86a31ad148dbbe… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-601","description":"CWE-601: URL Redirection to Untrusted Site ('Open Redirect')","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:811bbb422e13a1a8ed1552eec503e12d77bcb71114c5cb6198a4a2e5d26444af · sha256:7b86a31ad148dbbe… · /containers/cna/problemTypes/1/descriptions/0

Affected products and versions

1 source assertion
{"product":"datamodel-code-generator","vendor":"koxudaxi","versions":[{"status":"affected","version":"< 0.63.0"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:811bbb422e13a1a8ed1552eec503e12d77bcb71114c5cb6198a4a2e5d26444af · sha256:7b86a31ad148dbbe… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":3.7,"baseSeverity":"LOW","confidentialityImpact":"LOW","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:811bbb422e13a1a8ed1552eec503e12d77bcb71114c5cb6198a4a2e5d26444af · sha256:7b86a31ad148dbbe… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

2 source assertions
{"cweId":"CWE-200","description":"CWE-200: Exposure of Sensitive Information to an Unauthorized Actor","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:811bbb422e13a1a8ed1552eec503e12d77bcb71114c5cb6198a4a2e5d26444af · sha256:7b86a31ad148dbbe… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-601","description":"CWE-601: URL Redirection to Untrusted Site ('Open Redirect')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:811bbb422e13a1a8ed1552eec503e12d77bcb71114c5cb6198a4a2e5d26444af · sha256:7b86a31ad148dbbe… · /containers/cna/problemTypes/1/descriptions/0

Source references

4 source assertions
{"name":"https://github.com/koxudaxi/datamodel-code-generator/commit/a585c037c8307b7aae815de193b7fe1c4c44994b","tags":["x_refsource_MISC"],"url":"https://github.com/koxudaxi/datamodel-code-generator/commit/a585c037c8307b7aae815de193b7fe1c4c44994b"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:811bbb422e13a1a8ed1552eec503e12d77bcb71114c5cb6198a4a2e5d26444af · sha256:7b86a31ad148dbbe… · /containers/cna/references/1
{"name":"https://github.com/koxudaxi/datamodel-code-generator/releases/tag/0.63.0","tags":["x_refsource_MISC"],"url":"https://github.com/koxudaxi/datamodel-code-generator/releases/tag/0.63.0"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:811bbb422e13a1a8ed1552eec503e12d77bcb71114c5cb6198a4a2e5d26444af · sha256:7b86a31ad148dbbe… · /containers/cna/references/2
{"name":"https://github.com/koxudaxi/datamodel-code-generator/security/advisories/GHSA-r5vv-ff45-prp2","tags":["x_refsource_CONFIRM"],"url":"https://github.com/koxudaxi/datamodel-code-generator/security/advisories/GHSA-r5vv-ff45-prp2"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:811bbb422e13a1a8ed1552eec503e12d77bcb71114c5cb6198a4a2e5d26444af · sha256:7b86a31ad148dbbe… · /containers/cna/references/0
{"tags":["exploit"],"url":"https://github.com/koxudaxi/datamodel-code-generator/security/advisories/GHSA-r5vv-ff45-prp2"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:811bbb422e13a1a8ed1552eec503e12d77bcb71114c5cb6198a4a2e5d26444af · sha256:7b86a31ad148dbbe… · /containers/adp/0/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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