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CVE-2026-45062

FrankenPHP is a modern application server for PHP. From version 1.11.2 to before version 1.12.3, the splitPos() function in cgi.go misuses golang.org/x/text/search with search.IgnoreCase when the request path contains a non-ASCII byte. Two distinct flaws in that fallback let an attacker mislead FrankenPHP into treating a non-.php file as a .php script. In any deployment where the attacker can place content into a file served by FrankenPHP (uploads, file storage, etc.), this can be escalated to r
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:ae52245909597d8657c837c1e916ad35e5e8e8b75ef473cde0b3f6e28564f85b
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 3 assertions

{"cweId":"CWE-176","description":"CWE-176: Improper Handling of Unicode Encoding","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:5ed53a6d5ec95b05002b658cfd6a026893f4dfb7f1b342ff3aa9c4675063ad3b · sha256:03c7949253c85b30… · /containers/cna/problemTypes/1/descriptions/0

{"cweId":"CWE-20","description":"CWE-20: Improper Input Validation","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:5ed53a6d5ec95b05002b658cfd6a026893f4dfb7f1b342ff3aa9c4675063ad3b · sha256:03c7949253c85b30… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-178","description":"CWE-178: Improper Handling of Case Sensitivity","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:5ed53a6d5ec95b05002b658cfd6a026893f4dfb7f1b342ff3aa9c4675063ad3b · sha256:03c7949253c85b30… · /containers/cna/problemTypes/2/descriptions/0

Affected products and versions

1 source assertion
{"product":"frankenphp","vendor":"php","versions":[{"status":"affected","version":">= 1.11.2, < 1.12.3"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:5ed53a6d5ec95b05002b658cfd6a026893f4dfb7f1b342ff3aa9c4675063ad3b · sha256:03c7949253c85b30… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":8.1,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:5ed53a6d5ec95b05002b658cfd6a026893f4dfb7f1b342ff3aa9c4675063ad3b · sha256:03c7949253c85b30… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

3 source assertions
{"cweId":"CWE-176","description":"CWE-176: Improper Handling of Unicode Encoding","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:5ed53a6d5ec95b05002b658cfd6a026893f4dfb7f1b342ff3aa9c4675063ad3b · sha256:03c7949253c85b30… · /containers/cna/problemTypes/1/descriptions/0
{"cweId":"CWE-20","description":"CWE-20: Improper Input Validation","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:5ed53a6d5ec95b05002b658cfd6a026893f4dfb7f1b342ff3aa9c4675063ad3b · sha256:03c7949253c85b30… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-178","description":"CWE-178: Improper Handling of Case Sensitivity","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:5ed53a6d5ec95b05002b658cfd6a026893f4dfb7f1b342ff3aa9c4675063ad3b · sha256:03c7949253c85b30… · /containers/cna/problemTypes/2/descriptions/0

Source references

3 source assertions
{"name":"https://github.com/php/frankenphp/releases/tag/v1.12.3","tags":["x_refsource_MISC"],"url":"https://github.com/php/frankenphp/releases/tag/v1.12.3"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:5ed53a6d5ec95b05002b658cfd6a026893f4dfb7f1b342ff3aa9c4675063ad3b · sha256:03c7949253c85b30… · /containers/cna/references/1
{"tags":["exploit"],"url":"https://github.com/php/frankenphp/security/advisories/GHSA-3g8v-8r37-cgjm"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:5ed53a6d5ec95b05002b658cfd6a026893f4dfb7f1b342ff3aa9c4675063ad3b · sha256:03c7949253c85b30… · /containers/adp/0/references/0
{"name":"https://github.com/php/frankenphp/security/advisories/GHSA-3g8v-8r37-cgjm","tags":["x_refsource_CONFIRM"],"url":"https://github.com/php/frankenphp/security/advisories/GHSA-3g8v-8r37-cgjm"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:5ed53a6d5ec95b05002b658cfd6a026893f4dfb7f1b342ff3aa9c4675063ad3b · sha256:03c7949253c85b30… · /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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