CVE Explorer

CVE-2026-33335

Vikunja is an open-source self-hosted task management platform. Starting in version 0.21.0 and prior to version 2.2.0, the Vikunja Desktop Electron wrapper passes URLs from `window.open()` calls directly to `shell.openExternal()` without any validation or protocol allowlisting. An attacker who can place a link with `target="_blank"` (or that otherwise triggers `window.open`) in user-generated content can cause the victim's operating system to open arbitrary URI schemes, invoking local applicatio

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:fe577b351961e6f67d39ac0ae81187092ce6afd8adf75a84bca1b599174550f2

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Affected products and versions

1 source assertion

{"product":"vikunja","vendor":"go-vikunja","versions":[{"status":"affected","version":">= 0.21.0, < 2.2.0"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:2d74f737466ed29ad3dd858eaba5cb09657bd1e07c4040933746023d4161fe7e · sha256:76d432f5495e3966… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion

{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":6.4,"baseSeverity":"MEDIUM","privilegesRequired":"LOW","subAvailabilityImpact":"HIGH","subConfidentialityImpact":"HIGH","subIntegrityImpact":"HIGH","userInteraction":"PASSIVE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:H/SI:H/SA:H","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE"},"metric_type":"cvssV4_0"}

cve_program_cvelist_v5cvss
urn:baitaphish:normalized-source-record:v2:2d74f737466ed29ad3dd858eaba5cb09657bd1e07c4040933746023d4161fe7e · sha256:76d432f5495e3966… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion

{"cweId":"CWE-939","description":"CWE-939: Improper Authorization in Handler for Custom URL Scheme","lang":"en","type":"CWE"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:2d74f737466ed29ad3dd858eaba5cb09657bd1e07c4040933746023d4161fe7e · sha256:76d432f5495e3966… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions

{"tags":["exploit"],"url":"https://github.com/go-vikunja/vikunja/security/advisories/GHSA-6q44-85gc-cjvf"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:2d74f737466ed29ad3dd858eaba5cb09657bd1e07c4040933746023d4161fe7e · sha256:76d432f5495e3966… · /containers/adp/0/references/0

{"name":"https://github.com/go-vikunja/vikunja/security/advisories/GHSA-6q44-85gc-cjvf","tags":["x_refsource_CONFIRM"],"url":"https://github.com/go-vikunja/vikunja/security/advisories/GHSA-6q44-85gc-cjvf"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:2d74f737466ed29ad3dd858eaba5cb09657bd1e07c4040933746023d4161fe7e · sha256:76d432f5495e3966… · /containers/cna/references/0

{"name":"https://vikunja.io/changelog/vikunja-v2.2.0-was-released","tags":["x_refsource_MISC"],"url":"https://vikunja.io/changelog/vikunja-v2.2.0-was-released"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:2d74f737466ed29ad3dd858eaba5cb09657bd1e07c4040933746023d4161fe7e · sha256:76d432f5495e3966… · /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.

← Back to CVE Explorer