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CVE-2026-27723

OpenProject is an open-source, web-based project management software. Prior to versions 17.0.5 and 17.1.2, an attacker can create wiki pages belonging to unpermitted projects through an improperly authenticated request. This issue has been patched in versions 17.0.5 and 17.1.2.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:cbe5ae6af7051b5d22a0d8a02b95f4ad64570e59cc8656d9ed06613e8c0859a6
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"openproject","vendor":"opf","versions":[{"status":"affected","version":"< 17.0.5"},{"status":"affected","version":"< 17.1.2"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:09224447507023407b315f2e778f1735e96ad400dd606993aa3c54c6aad204e5 · sha256:b092b7b4d3814d31… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":4.3,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"LOW","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:09224447507023407b315f2e778f1735e96ad400dd606993aa3c54c6aad204e5 · sha256:b092b7b4d3814d31… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-284","description":"CWE-284: Improper Access Control","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:09224447507023407b315f2e778f1735e96ad400dd606993aa3c54c6aad204e5 · sha256:b092b7b4d3814d31… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions
{"name":"https://github.com/opf/openproject/releases/tag/v17.0.5","tags":["x_refsource_MISC"],"url":"https://github.com/opf/openproject/releases/tag/v17.0.5"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:09224447507023407b315f2e778f1735e96ad400dd606993aa3c54c6aad204e5 · sha256:b092b7b4d3814d31… · /containers/cna/references/1
{"name":"https://github.com/opf/openproject/releases/tag/v17.1.2","tags":["x_refsource_MISC"],"url":"https://github.com/opf/openproject/releases/tag/v17.1.2"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:09224447507023407b315f2e778f1735e96ad400dd606993aa3c54c6aad204e5 · sha256:b092b7b4d3814d31… · /containers/cna/references/2
{"name":"https://github.com/opf/openproject/security/advisories/GHSA-9gc6-3xjq-pwc9","tags":["x_refsource_CONFIRM"],"url":"https://github.com/opf/openproject/security/advisories/GHSA-9gc6-3xjq-pwc9"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:09224447507023407b315f2e778f1735e96ad400dd606993aa3c54c6aad204e5 · sha256:b092b7b4d3814d31… · /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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