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CVE-2026-35033

Jellyfin is an open source self hosted media server. Versions prior to 10.11.7 contain an unauthenticated arbitrary file read vulnerability via ffmpeg argument injection through the StreamOptions query parameter parsing mechanism. The ParseStreamOptions method in StreamingHelpers.cs adds any lowercase query parameter to a dictionary without validation, bypassing the RegularExpression attribute on the level controller parameter, and the unsanitized value is concatenated directly into the ffmpeg c
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:4ad740625af3d95c0033abfdeb5b0355d1be987f8bfd8891a8b7e4b657ee1f3b
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-862","description":"CWE-862: Missing Authorization","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:67a31a227ba630b2a1c429a318f507136b674d213d740d58d8d8b877eb2edc8f · sha256:8b77f4b9ece3d579… · /containers/cna/problemTypes/1/descriptions/0

{"cweId":"CWE-88","description":"CWE-88: Improper Neutralization of Argument Delimiters in a Command ('Argument Injection')","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:67a31a227ba630b2a1c429a318f507136b674d213d740d58d8d8b877eb2edc8f · sha256:8b77f4b9ece3d579… · /containers/cna/problemTypes/0/descriptions/0

Affected products and versions

1 source assertion
{"product":"jellyfin","vendor":"jellyfin","versions":[{"status":"affected","version":"< 10.11.7"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:67a31a227ba630b2a1c429a318f507136b674d213d740d58d8d8b877eb2edc8f · sha256:8b77f4b9ece3d579… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":9.3,"baseSeverity":"CRITICAL","privilegesRequired":"NONE","subAvailabilityImpact":"NONE","subConfidentialityImpact":"LOW","subIntegrityImpact":"LOW","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:L/SI:L/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:67a31a227ba630b2a1c429a318f507136b674d213d740d58d8d8b877eb2edc8f · sha256:8b77f4b9ece3d579… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

2 source assertions
{"cweId":"CWE-862","description":"CWE-862: Missing Authorization","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:67a31a227ba630b2a1c429a318f507136b674d213d740d58d8d8b877eb2edc8f · sha256:8b77f4b9ece3d579… · /containers/cna/problemTypes/1/descriptions/0
{"cweId":"CWE-88","description":"CWE-88: Improper Neutralization of Argument Delimiters in a Command ('Argument Injection')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:67a31a227ba630b2a1c429a318f507136b674d213d740d58d8d8b877eb2edc8f · sha256:8b77f4b9ece3d579… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions
{"name":"https://github.com/jellyfin/jellyfin/releases/tag/v10.11.7","tags":["x_refsource_MISC"],"url":"https://github.com/jellyfin/jellyfin/releases/tag/v10.11.7"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:67a31a227ba630b2a1c429a318f507136b674d213d740d58d8d8b877eb2edc8f · sha256:8b77f4b9ece3d579… · /containers/cna/references/1
{"name":"https://github.com/jellyfin/jellyfin/security/advisories/GHSA-jh22-fw8w-2v9x","tags":["x_refsource_CONFIRM"],"url":"https://github.com/jellyfin/jellyfin/security/advisories/GHSA-jh22-fw8w-2v9x"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:67a31a227ba630b2a1c429a318f507136b674d213d740d58d8d8b877eb2edc8f · sha256:8b77f4b9ece3d579… · /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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