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CVE-2026-55417

Chevereto is a self-hosted media-sharing platform. Starting in version 3.7.5 and prior to version 4.5.4, when a user enables the private profile option, visiting their profile HTML route (`/username`) correctly returns 404. However, the `/json` AJAX listing endpoint does not apply the same check. An unauthenticated caller who knows the target's user ID can retrieve all of that user's publicly-scoped images, revealing the username (which should be private). This is patched in Chevereto v4.5.4. No
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:1569455ea9d65f8c762cff8000464d57508226695ba7dad2e9c5449fcab91ae1
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 3 assertions

{"product":"chevereto","vendor":"chevereto","versions":[{"status":"affected","version":">= 3.7.5, < 4.5.4"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:0de86f0e7dbbd1a741ef5c064abd6b30980d074b997f81b6d52d99cc1fae62ba · sha256:4e602d0c4c196ff6… · /containers/cna/affected/0

{"product":"rodber/chevereto-free","vendor":"chevereto","versions":[{"status":"affected","version":">= 1.0.0"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:0de86f0e7dbbd1a741ef5c064abd6b30980d074b997f81b6d52d99cc1fae62ba · sha256:4e602d0c4c196ff6… · /containers/cna/affected/2

{"product":"chevereto/chevereto","vendor":"chevereto","versions":[{"status":"affected","version":">= 4.0.5, < 4.5.4"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:0de86f0e7dbbd1a741ef5c064abd6b30980d074b997f81b6d52d99cc1fae62ba · sha256:4e602d0c4c196ff6… · /containers/cna/affected/1

Affected products and versions

3 source assertions
{"product":"chevereto","vendor":"chevereto","versions":[{"status":"affected","version":">= 3.7.5, < 4.5.4"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:0de86f0e7dbbd1a741ef5c064abd6b30980d074b997f81b6d52d99cc1fae62ba · sha256:4e602d0c4c196ff6… · /containers/cna/affected/0
{"product":"rodber/chevereto-free","vendor":"chevereto","versions":[{"status":"affected","version":">= 1.0.0"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:0de86f0e7dbbd1a741ef5c064abd6b30980d074b997f81b6d52d99cc1fae62ba · sha256:4e602d0c4c196ff6… · /containers/cna/affected/2
{"product":"chevereto/chevereto","vendor":"chevereto","versions":[{"status":"affected","version":">= 4.0.5, < 4.5.4"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:0de86f0e7dbbd1a741ef5c064abd6b30980d074b997f81b6d52d99cc1fae62ba · sha256:4e602d0c4c196ff6… · /containers/cna/affected/1

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":6.9,"baseSeverity":"MEDIUM","privilegesRequired":"NONE","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"LOW","vulnIntegrityImpact":"NONE"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:0de86f0e7dbbd1a741ef5c064abd6b30980d074b997f81b6d52d99cc1fae62ba · sha256:4e602d0c4c196ff6… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-862","description":"CWE-862: Missing Authorization","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:0de86f0e7dbbd1a741ef5c064abd6b30980d074b997f81b6d52d99cc1fae62ba · sha256:4e602d0c4c196ff6… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions
{"name":"https://chevereto.com/community/threads/chevereto-v4-5-4-announcement.16398/post-80153","tags":["x_refsource_MISC"],"url":"https://chevereto.com/community/threads/chevereto-v4-5-4-announcement.16398/post-80153"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:0de86f0e7dbbd1a741ef5c064abd6b30980d074b997f81b6d52d99cc1fae62ba · sha256:4e602d0c4c196ff6… · /containers/cna/references/1
{"tags":["exploit"],"url":"https://github.com/chevereto/chevereto/security/advisories/GHSA-h4jp-mxfx-g8xp"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:0de86f0e7dbbd1a741ef5c064abd6b30980d074b997f81b6d52d99cc1fae62ba · sha256:4e602d0c4c196ff6… · /containers/adp/0/references/0
{"name":"https://github.com/chevereto/chevereto/security/advisories/GHSA-h4jp-mxfx-g8xp","tags":["x_refsource_CONFIRM"],"url":"https://github.com/chevereto/chevereto/security/advisories/GHSA-h4jp-mxfx-g8xp"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:0de86f0e7dbbd1a741ef5c064abd6b30980d074b997f81b6d52d99cc1fae62ba · sha256:4e602d0c4c196ff6… · /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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