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CVE-2026-59931

PhpSpreadsheet is a pure PHP library for reading and writing spreadsheet files. In versions 4.0.0 through 5.8.0, 3.3.0 through 3.10.6, 2.2.0 through 2.4.6, 2.0.0 through 2.1.17, and all releases up to and including 1.30.5, the WEBSERVICE() domain whitelist can be bypassed via an HTTP redirect (SSRF). In Calculation/Web/Service.php, the webService() method validates a URL's host against the whitelist set via Spreadsheet::setDomainWhiteList(), then fetches content with file_get_contents($url, fals
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:3e5c73b65bfeca296a4aad22afd297ba918fbc731005edca7795d8ad78544e90
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"PhpSpreadsheet","vendor":"PHPOffice","versions":[{"status":"affected","version":">= 4.0.0, < 5.8.1"},{"status":"affected","version":">= 3.3.0, < 3.10.7"},{"status":"affected","version":">= 2.2.0, < 2.4.7"},{"status":"affected","version":">= 2.0.0, < 2.1.18"},{"status":"affected","version":"< 1.30.6"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:f45b0187be7a45dc84babba285798b9561a359e44143da7e0f10632f855e8674 · sha256:91856a6e7851029e… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":7.7,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:f45b0187be7a45dc84babba285798b9561a359e44143da7e0f10632f855e8674 · sha256:91856a6e7851029e… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-918","description":"CWE-918: Server-Side Request Forgery (SSRF)","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:f45b0187be7a45dc84babba285798b9561a359e44143da7e0f10632f855e8674 · sha256:91856a6e7851029e… · /containers/cna/problemTypes/0/descriptions/0

Source references

8 source assertions
{"name":"https://github.com/PHPOffice/PhpSpreadsheet/commit/7ef7b25e8548a6ded79dac74e2e2c7acdac38d8d","tags":["x_refsource_MISC"],"url":"https://github.com/PHPOffice/PhpSpreadsheet/commit/7ef7b25e8548a6ded79dac74e2e2c7acdac38d8d"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f45b0187be7a45dc84babba285798b9561a359e44143da7e0f10632f855e8674 · sha256:91856a6e7851029e… · /containers/cna/references/1
{"name":"https://github.com/PHPOffice/PhpSpreadsheet/releases/tag/1.30.6","tags":["x_refsource_MISC"],"url":"https://github.com/PHPOffice/PhpSpreadsheet/releases/tag/1.30.6"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f45b0187be7a45dc84babba285798b9561a359e44143da7e0f10632f855e8674 · sha256:91856a6e7851029e… · /containers/cna/references/2
{"name":"https://github.com/PHPOffice/PhpSpreadsheet/releases/tag/2.1.18","tags":["x_refsource_MISC"],"url":"https://github.com/PHPOffice/PhpSpreadsheet/releases/tag/2.1.18"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f45b0187be7a45dc84babba285798b9561a359e44143da7e0f10632f855e8674 · sha256:91856a6e7851029e… · /containers/cna/references/3
{"name":"https://github.com/PHPOffice/PhpSpreadsheet/releases/tag/2.4.7","tags":["x_refsource_MISC"],"url":"https://github.com/PHPOffice/PhpSpreadsheet/releases/tag/2.4.7"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f45b0187be7a45dc84babba285798b9561a359e44143da7e0f10632f855e8674 · sha256:91856a6e7851029e… · /containers/cna/references/4
{"name":"https://github.com/PHPOffice/PhpSpreadsheet/releases/tag/3.10.7","tags":["x_refsource_MISC"],"url":"https://github.com/PHPOffice/PhpSpreadsheet/releases/tag/3.10.7"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f45b0187be7a45dc84babba285798b9561a359e44143da7e0f10632f855e8674 · sha256:91856a6e7851029e… · /containers/cna/references/5
{"name":"https://github.com/PHPOffice/PhpSpreadsheet/releases/tag/5.8.1","tags":["x_refsource_MISC"],"url":"https://github.com/PHPOffice/PhpSpreadsheet/releases/tag/5.8.1"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f45b0187be7a45dc84babba285798b9561a359e44143da7e0f10632f855e8674 · sha256:91856a6e7851029e… · /containers/cna/references/6
{"name":"https://github.com/PHPOffice/PhpSpreadsheet/security/advisories/GHSA-6hq5-7373-42rg","tags":["x_refsource_CONFIRM"],"url":"https://github.com/PHPOffice/PhpSpreadsheet/security/advisories/GHSA-6hq5-7373-42rg"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f45b0187be7a45dc84babba285798b9561a359e44143da7e0f10632f855e8674 · sha256:91856a6e7851029e… · /containers/cna/references/0
{"tags":["exploit"],"url":"https://github.com/PHPOffice/PhpSpreadsheet/security/advisories/GHSA-6hq5-7373-42rg"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f45b0187be7a45dc84babba285798b9561a359e44143da7e0f10632f855e8674 · sha256:91856a6e7851029e… · /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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