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CVE-2026-8327

Concrete CMS below 9.5.0 and below is vulnerable to password change without reauthorization and session-hardening bypass. The user-profile edit controller passes the entire raw POST array to UserInfo::update() without field whitelisting resulting in password change without requiring the current password  and also resulting in registered users able to disable the per-user-IP-pinning in the session validator which is meant to detect hijacking.  The Concrete CMS security team gave this vulnerabilit
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:2f880a1a0297174b01ef49912192e68fc9f687a09d2e52f03d00f124a006e47f
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-269","description":"CWE-269 Improper Privilege Management","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:8caf145d53aaafc62d7a54ff22ab9cada25ba6a16180e210625fce4875926d5c · sha256:ff61474d484e9783… · /containers/cna/problemTypes/2/descriptions/0

{"cweId":"CWE-915","description":"CWE-915 Improperly controlled modification of Dynamically-Determined object attributes","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:8caf145d53aaafc62d7a54ff22ab9cada25ba6a16180e210625fce4875926d5c · sha256:ff61474d484e9783… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-620","description":"CWE-620 Unverified password change","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:8caf145d53aaafc62d7a54ff22ab9cada25ba6a16180e210625fce4875926d5c · sha256:ff61474d484e9783… · /containers/cna/problemTypes/1/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":"5","versionType":"git"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:8caf145d53aaafc62d7a54ff22ab9cada25ba6a16180e210625fce4875926d5c · sha256:ff61474d484e9783… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":5.3,"baseSeverity":"MEDIUM","exploitMaturity":"NOT_DEFINED","privilegesRequired":"LOW","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":…
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:8caf145d53aaafc62d7a54ff22ab9cada25ba6a16180e210625fce4875926d5c · sha256:ff61474d484e9783… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

3 source assertions
{"cweId":"CWE-269","description":"CWE-269 Improper Privilege Management","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:8caf145d53aaafc62d7a54ff22ab9cada25ba6a16180e210625fce4875926d5c · sha256:ff61474d484e9783… · /containers/cna/problemTypes/2/descriptions/0
{"cweId":"CWE-915","description":"CWE-915 Improperly controlled modification of Dynamically-Determined object attributes","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:8caf145d53aaafc62d7a54ff22ab9cada25ba6a16180e210625fce4875926d5c · sha256:ff61474d484e9783… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-620","description":"CWE-620 Unverified password change","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:8caf145d53aaafc62d7a54ff22ab9cada25ba6a16180e210625fce4875926d5c · sha256:ff61474d484e9783… · /containers/cna/problemTypes/1/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:v2:8caf145d53aaafc62d7a54ff22ab9cada25ba6a16180e210625fce4875926d5c · sha256:ff61474d484e9783… · /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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