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CVE-2026-0895

The extension extends TYPO3’ FileSpool component, which was vulnerable to Insecure Deserialization prior to TYPO3-CORE-SA-2026-004 https://typo3.org/security/advisory/typo3-core-sa-2026-004 . Since the related fix is overwritten by the extension, using the extension with a patched TYPO3 core version still allows for Insecure Deserialization, because the affected vulnerable code was extracted from TYPO3 core to the extension. More information about this vulnerability can be found in the related
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:dfed554edc9b23e646cf818d74da5069a98cf80791c0869fe93d2cfb198691c8
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"collectionURL":"https://packagist.org/","defaultStatus":"unaffected","packageName":"cpsit/typo3-mailqueue","product":"Extension \"Mailqueue\"","repo":"https://github.com/CPS-IT/mailqueue","vendor":"TYPO3","versions":[{"lessThan":"0.4.3","status":"affected","version":"0","versionType":"semver"},{"lessThan":"0.5.1","status":"affected","version":"0.5.0","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:3a3be6adf147b9f5898a724571aa49cd4f36b084178d0b8f2174334d1b370282 · sha256:1cdb4156db8f5f74… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"PRESENT","attackVector":"LOCAL","baseScore":5.2,"baseSeverity":"MEDIUM","exploitMaturity":"NOT_DEFINED","privilegesRequired":"LOW","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"HIGH","subConfidentialityImpact":"HIGH","subIntegrityImpact":"HIGH","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:L/VA:N/SC:H/SI:H/SA:H","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact"…
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:3a3be6adf147b9f5898a724571aa49cd4f36b084178d0b8f2174334d1b370282 · sha256:1cdb4156db8f5f74… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-502","description":"CWE-502 Deserialization of Untrusted Data","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:3a3be6adf147b9f5898a724571aa49cd4f36b084178d0b8f2174334d1b370282 · sha256:1cdb4156db8f5f74… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions
{"tags":["patch"],"url":"https://github.com/CPS-IT/mailqueue/commit/12a0a35027bb5609917790a94e43bbf117abf733"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:3a3be6adf147b9f5898a724571aa49cd4f36b084178d0b8f2174334d1b370282 · sha256:1cdb4156db8f5f74… · /containers/cna/references/2
{"tags":["patch"],"url":"https://github.com/CPS-IT/mailqueue/commit/fd09aa4e1a751551bae4b228bee814e22f2048db"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:3a3be6adf147b9f5898a724571aa49cd4f36b084178d0b8f2174334d1b370282 · sha256:1cdb4156db8f5f74… · /containers/cna/references/1
{"tags":["vendor-advisory"],"url":"https://typo3.org/security/advisory/typo3-ext-sa-2026-001"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:3a3be6adf147b9f5898a724571aa49cd4f36b084178d0b8f2174334d1b370282 · sha256:1cdb4156db8f5f74… · /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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