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CVE-2026-54163

secure_headers manages application of security headers with many safe defaults. Prior to 7.3.0, secure_headers builds the Content-Security-Policy value by stitching directives with ; separators, and build_sandbox_list_directive, build_media_type_list_directive, and build_report_to_directive interpolate caller-supplied strings without scrubbing ;, \r, or \n. When untrusted input reaches SecureHeaders.override_content_security_policy_directives or append APIs for :sandbox, :plugin_types, or :repor
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:8e7bfd5bdffe8e38ada25edf4d3a8ac13aeda139baf6b1c1a7428b52d171e1e4
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-113","description":"CWE-113: Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Request/Response Splitting')","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:f1f627e42186dd511a2108e782f08a0ea32444d336c276dc07c81d6ffac766b0 · sha256:acc40ef5245ee17e… · /containers/cna/problemTypes/1/descriptions/0

{"cweId":"CWE-79","description":"CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:f1f627e42186dd511a2108e782f08a0ea32444d336c276dc07c81d6ffac766b0 · sha256:acc40ef5245ee17e… · /containers/cna/problemTypes/0/descriptions/0

Affected products and versions

1 source assertion
{"product":"secure_headers","vendor":"github","versions":[{"status":"affected","version":"< 7.3.0"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:f1f627e42186dd511a2108e782f08a0ea32444d336c276dc07c81d6ffac766b0 · sha256:acc40ef5245ee17e… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":4.7,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:f1f627e42186dd511a2108e782f08a0ea32444d336c276dc07c81d6ffac766b0 · sha256:acc40ef5245ee17e… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

2 source assertions
{"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_v5cwe
    urn:baitaphish:normalized-source-record:v2:f1f627e42186dd511a2108e782f08a0ea32444d336c276dc07c81d6ffac766b0 · sha256:acc40ef5245ee17e… · /containers/cna/problemTypes/1/descriptions/0
{"cweId":"CWE-79","description":"CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:f1f627e42186dd511a2108e782f08a0ea32444d336c276dc07c81d6ffac766b0 · sha256:acc40ef5245ee17e… · /containers/cna/problemTypes/0/descriptions/0

Source references

4 source assertions
{"name":"https://github.com/github/secure_headers/commit/286a79dea80c6a9be4ca93e0f284c923cf77e539","tags":["x_refsource_MISC"],"url":"https://github.com/github/secure_headers/commit/286a79dea80c6a9be4ca93e0f284c923cf77e539"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f1f627e42186dd511a2108e782f08a0ea32444d336c276dc07c81d6ffac766b0 · sha256:acc40ef5245ee17e… · /containers/cna/references/1
{"name":"https://github.com/github/secure_headers/releases/tag/v7.3.0","tags":["x_refsource_MISC"],"url":"https://github.com/github/secure_headers/releases/tag/v7.3.0"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f1f627e42186dd511a2108e782f08a0ea32444d336c276dc07c81d6ffac766b0 · sha256:acc40ef5245ee17e… · /containers/cna/references/2
{"name":"https://github.com/github/secure_headers/security/advisories/GHSA-rqq5-2gf9-4w4q","tags":["x_refsource_CONFIRM"],"url":"https://github.com/github/secure_headers/security/advisories/GHSA-rqq5-2gf9-4w4q"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f1f627e42186dd511a2108e782f08a0ea32444d336c276dc07c81d6ffac766b0 · sha256:acc40ef5245ee17e… · /containers/cna/references/0
{"tags":["exploit"],"url":"https://github.com/github/secure_headers/security/advisories/GHSA-rqq5-2gf9-4w4q"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f1f627e42186dd511a2108e782f08a0ea32444d336c276dc07c81d6ffac766b0 · sha256:acc40ef5245ee17e… · /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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