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CVE-2026-27475

SPIP before 4.4.9 allows Insecure Deserialization in the public area through the table_valeur filter and the DATA iterator, which accept serialized data. An attacker who can place malicious serialized content (a pre-condition requiring prior access or another vulnerability) can trigger arbitrary object instantiation and potentially achieve code execution. The use of serialized data in these components has been deprecated and will be removed in SPIP 5. This vulnerability is not mitigated by the S
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:ece451afd14a53ff8d964840f4253d2174858f0a6dc04131bcc0873f3efdd657
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cvss · 2 assertions

{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"PRESENT","attackVector":"NETWORK","baseScore":9.2,"baseSeverity":"CRITICAL","exploitMaturity":"NOT_DEFINED","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityIm…

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:38180d69b676adad05c96cb2617af2be20285d2fd56ce878e912b3e0f331ccc6 · sha256:113e1d53646d22fb… · /containers/cna/metrics/0/cvssV4_0

{"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:v2:38180d69b676adad05c96cb2617af2be20285d2fd56ce878e912b3e0f331ccc6 · sha256:113e1d53646d22fb… · /containers/cna/metrics/1/cvssV3_1

Affected products and versions

1 source assertion
{"defaultStatus":"unaffected","product":"SPIP","vendor":"SPIP","versions":[{"lessThan":"4.4.9","status":"affected","version":"4.4.0","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:38180d69b676adad05c96cb2617af2be20285d2fd56ce878e912b3e0f331ccc6 · sha256:113e1d53646d22fb… · /containers/cna/affected/0

Provider-owned CVSS observations

2 source assertions
{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"PRESENT","attackVector":"NETWORK","baseScore":9.2,"baseSeverity":"CRITICAL","exploitMaturity":"NOT_DEFINED","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityIm…
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:38180d69b676adad05c96cb2617af2be20285d2fd56ce878e912b3e0f331ccc6 · sha256:113e1d53646d22fb… · /containers/cna/metrics/0/cvssV4_0
{"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:v2:38180d69b676adad05c96cb2617af2be20285d2fd56ce878e912b3e0f331ccc6 · sha256:113e1d53646d22fb… · /containers/cna/metrics/1/cvssV3_1

CWE assertions

1 source assertion
{"description":"Deserialization of Untrusted Data","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:38180d69b676adad05c96cb2617af2be20285d2fd56ce878e912b3e0f331ccc6 · sha256:113e1d53646d22fb… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions
{"tags":["vendor-advisory","patch"],"url":"https://blog.spip.net/Mise-a-jour-de-securite-sortie-de-SPIP-4-4-9.html"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:38180d69b676adad05c96cb2617af2be20285d2fd56ce878e912b3e0f331ccc6 · sha256:113e1d53646d22fb… · /containers/cna/references/0
{"tags":["product"],"url":"https://git.spip.net/spip/spip"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:38180d69b676adad05c96cb2617af2be20285d2fd56ce878e912b3e0f331ccc6 · sha256:113e1d53646d22fb… · /containers/cna/references/1
{"name":"VulnCheck Advisory: SPIP < 4.4.9 Insecure Deserialization","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/spip-insecure-deserialization"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:38180d69b676adad05c96cb2617af2be20285d2fd56ce878e912b3e0f331ccc6 · sha256:113e1d53646d22fb… · /containers/cna/references/2

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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