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CVE-2026-34600

Joplin is an open source note-taking and to-do application that organises notes and lists into notebooks. Versions 3.5.2 and prior contain a logic error in the delta API that allows share recipients to download notes that are no longer shared with them, related to but not fully fixed by the prior patch in #14289. In ChangeModel.delta, when DELTA_INCLUDES_ITEMS is enabled (the default), the latest state of items is attached to delta output without verifying that those items are still shared with
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:2f2232284a0655b068ff7d5fadf57387427f3a683e4019fc3f27f23dd425fad7
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-863","description":"CWE-863: Incorrect Authorization","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:32ca1ba3ede737d8b7ff0ed3521db482dbc104829d0701857fd7675b7ac49915 · sha256:3a624642d4e556ab… · /containers/cna/problemTypes/1/descriptions/0

{"cweId":"CWE-200","description":"CWE-200: Exposure of Sensitive Information to an Unauthorized Actor","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:32ca1ba3ede737d8b7ff0ed3521db482dbc104829d0701857fd7675b7ac49915 · sha256:3a624642d4e556ab… · /containers/cna/problemTypes/2/descriptions/0

{"cweId":"CWE-281","description":"CWE-281: Improper Preservation of Permissions","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:32ca1ba3ede737d8b7ff0ed3521db482dbc104829d0701857fd7675b7ac49915 · sha256:3a624642d4e556ab… · /containers/cna/problemTypes/0/descriptions/0

Affected products and versions

1 source assertion
{"product":"joplin","vendor":"laurent22","versions":[{"status":"affected","version":"< 3.5.3"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:32ca1ba3ede737d8b7ff0ed3521db482dbc104829d0701857fd7675b7ac49915 · sha256:3a624642d4e556ab… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":5.7,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:32ca1ba3ede737d8b7ff0ed3521db482dbc104829d0701857fd7675b7ac49915 · sha256:3a624642d4e556ab… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

3 source assertions
{"cweId":"CWE-863","description":"CWE-863: Incorrect Authorization","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:32ca1ba3ede737d8b7ff0ed3521db482dbc104829d0701857fd7675b7ac49915 · sha256:3a624642d4e556ab… · /containers/cna/problemTypes/1/descriptions/0
{"cweId":"CWE-200","description":"CWE-200: Exposure of Sensitive Information to an Unauthorized Actor","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:32ca1ba3ede737d8b7ff0ed3521db482dbc104829d0701857fd7675b7ac49915 · sha256:3a624642d4e556ab… · /containers/cna/problemTypes/2/descriptions/0
{"cweId":"CWE-281","description":"CWE-281: Improper Preservation of Permissions","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:32ca1ba3ede737d8b7ff0ed3521db482dbc104829d0701857fd7675b7ac49915 · sha256:3a624642d4e556ab… · /containers/cna/problemTypes/0/descriptions/0

Source references

4 source assertions
{"name":"https://github.com/laurent22/joplin/issues/14110","tags":["x_refsource_MISC"],"url":"https://github.com/laurent22/joplin/issues/14110"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:32ca1ba3ede737d8b7ff0ed3521db482dbc104829d0701857fd7675b7ac49915 · sha256:3a624642d4e556ab… · /containers/cna/references/1
{"name":"https://github.com/laurent22/joplin/pull/14289","tags":["x_refsource_MISC"],"url":"https://github.com/laurent22/joplin/pull/14289"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:32ca1ba3ede737d8b7ff0ed3521db482dbc104829d0701857fd7675b7ac49915 · sha256:3a624642d4e556ab… · /containers/cna/references/2
{"tags":["exploit"],"url":"https://github.com/laurent22/joplin/security/advisories/GHSA-88x4-77rc-jw94"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:32ca1ba3ede737d8b7ff0ed3521db482dbc104829d0701857fd7675b7ac49915 · sha256:3a624642d4e556ab… · /containers/adp/0/references/0
{"name":"https://github.com/laurent22/joplin/security/advisories/GHSA-88x4-77rc-jw94","tags":["x_refsource_CONFIRM"],"url":"https://github.com/laurent22/joplin/security/advisories/GHSA-88x4-77rc-jw94"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:32ca1ba3ede737d8b7ff0ed3521db482dbc104829d0701857fd7675b7ac49915 · sha256:3a624642d4e556ab… · /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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