CVE Explorer

CVE-2026-33678

Vikunja is an open-source self-hosted task management platform. Prior to version 2.2.1, `TaskAttachment.ReadOne()` queries attachments by ID only (`WHERE id = ?`), ignoring the task ID from the URL path. The permission check in `CanRead()` validates access to the task specified in the URL, but `ReadOne()` loads a different attachment that may belong to a task in another project. This allows any authenticated user to download or delete any attachment in the system by providing their own accessibl

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:9c9f70043e836a7822d2b3aceed8b013e990d857daffbcdcd64e3e410ec43683

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Affected products and versions

1 source assertion

{"product":"vikunja","vendor":"go-vikunja","versions":[{"status":"affected","version":"< 2.2.1"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:9455fe42e0e3fba463b75105c16a8c11be4c70d7c431bd6a2123d2aef649ba43 · sha256:a486384903304e54… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion

{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":8.1,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","version":"3.1"},"metric_type":"cvssV3_1"}

cve_program_cvelist_v5cvss
urn:baitaphish:normalized-source-record:v2:9455fe42e0e3fba463b75105c16a8c11be4c70d7c431bd6a2123d2aef649ba43 · sha256:a486384903304e54… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion

{"cweId":"CWE-639","description":"CWE-639: Authorization Bypass Through User-Controlled Key","lang":"en","type":"CWE"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:9455fe42e0e3fba463b75105c16a8c11be4c70d7c431bd6a2123d2aef649ba43 · sha256:a486384903304e54… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions

{"name":"https://github.com/go-vikunja/vikunja/security/advisories/GHSA-jfmm-mjcp-8wq2","tags":["x_refsource_CONFIRM"],"url":"https://github.com/go-vikunja/vikunja/security/advisories/GHSA-jfmm-mjcp-8wq2"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:9455fe42e0e3fba463b75105c16a8c11be4c70d7c431bd6a2123d2aef649ba43 · sha256:a486384903304e54… · /containers/cna/references/0

{"name":"https://vikunja.io/changelog/vikunja-v2.2.2-was-released","tags":["x_refsource_MISC"],"url":"https://vikunja.io/changelog/vikunja-v2.2.2-was-released"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:9455fe42e0e3fba463b75105c16a8c11be4c70d7c431bd6a2123d2aef649ba43 · sha256:a486384903304e54… · /containers/cna/references/1

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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