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CVE-2026-28791

Tina is a headless content management system. Prior to 2.1.7, a path traversal vulnerability exists in the TinaCMS development server's media upload handler. The code at media.ts joins user-controlled path segments using path.join() without validating that the resulting path stays within the intended media directory. This allows writing files to arbitrary locations on the filesystem. This vulnerability is fixed in 2.1.7.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:b7a61bfdbaeb7a07ff96c198c79c0b0eee5ed2358509c5c87b68ec377b24de25
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"tinacms","vendor":"tinacms","versions":[{"status":"affected","version":"< 2.1.7"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:f90e5e19a783d909e094818a91c13afeebd5ca63986010c7f0f8a31bd75fc3a8 · sha256:caffc98493cbe964… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.4,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:f90e5e19a783d909e094818a91c13afeebd5ca63986010c7f0f8a31bd75fc3a8 · sha256:caffc98493cbe964… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-22","description":"CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:f90e5e19a783d909e094818a91c13afeebd5ca63986010c7f0f8a31bd75fc3a8 · sha256:caffc98493cbe964… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions
{"name":"https://github.com/tinacms/tinacms/security/advisories/GHSA-5hxf-c7j4-279c","tags":["x_refsource_CONFIRM"],"url":"https://github.com/tinacms/tinacms/security/advisories/GHSA-5hxf-c7j4-279c"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f90e5e19a783d909e094818a91c13afeebd5ca63986010c7f0f8a31bd75fc3a8 · sha256:caffc98493cbe964… · /containers/cna/references/0
{"tags":["exploit"],"url":"https://github.com/tinacms/tinacms/security/advisories/GHSA-5hxf-c7j4-279c"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f90e5e19a783d909e094818a91c13afeebd5ca63986010c7f0f8a31bd75fc3a8 · sha256:caffc98493cbe964… · /containers/adp/0/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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