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CVE-2026-8433

Concrete CMS 9 before 9.5.0 is vulnerable to Cross Site Request Forgery (CSRF) at concrete/controllers/backend/file rescan(). The Concrete CMS security team gave this vulnerability a CVSS v.4.0 score of 2.3 with vector CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N. Thanks Yonatan Drori (Tenzai) for reporting.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:94366f32363992bd3772dedf95d48394cbf202e34f0da328c5e741db6e9e9e32
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-1275","description":"CWE-1275 Sensitive cookie with improper SameSite attribute","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:0dbd33ece628d2e6c3b2735d9aaac031fcbaa8875d18c35d8ea4383c015f6ca6 · sha256:21d6134e848fa470… · /containers/cna/problemTypes/1/descriptions/0

{"cweId":"CWE-352","description":"CWE-352 Cross-Site request forgery (CSRF)","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:0dbd33ece628d2e6c3b2735d9aaac031fcbaa8875d18c35d8ea4383c015f6ca6 · sha256:21d6134e848fa470… · /containers/cna/problemTypes/0/descriptions/0

Affected products and versions

1 source assertion
{"collectionURL":"https://github.com/concretecms/concretecms","defaultStatus":"unaffected","product":"Concrete CMS","repo":"https://github.com/concretecms/concretecms","vendor":"Concrete CMS","versions":[{"lessThanOrEqual":"9.5.0","status":"affected","version":"9.0","versionType":"git"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:0dbd33ece628d2e6c3b2735d9aaac031fcbaa8875d18c35d8ea4383c015f6ca6 · sha256:21d6134e848fa470… · /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":"NETWORK","baseScore":2.3,"baseSeverity":"LOW","exploitMaturity":"NOT_DEFINED","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"PASSIVE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpa…
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:0dbd33ece628d2e6c3b2735d9aaac031fcbaa8875d18c35d8ea4383c015f6ca6 · sha256:21d6134e848fa470… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

2 source assertions
{"cweId":"CWE-1275","description":"CWE-1275 Sensitive cookie with improper SameSite attribute","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:0dbd33ece628d2e6c3b2735d9aaac031fcbaa8875d18c35d8ea4383c015f6ca6 · sha256:21d6134e848fa470… · /containers/cna/problemTypes/1/descriptions/0
{"cweId":"CWE-352","description":"CWE-352 Cross-Site request forgery (CSRF)","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:0dbd33ece628d2e6c3b2735d9aaac031fcbaa8875d18c35d8ea4383c015f6ca6 · sha256:21d6134e848fa470… · /containers/cna/problemTypes/0/descriptions/0

Source references

1 source assertion
{"tags":["release-notes"],"url":"https://documentation.concretecms.org/9-x/developers/introduction/version-history/951-release-notes"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:0dbd33ece628d2e6c3b2735d9aaac031fcbaa8875d18c35d8ea4383c015f6ca6 · sha256:21d6134e848fa470… · /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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