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CVE-2026-33474

Vikunja is an open-source self-hosted task management platform. Starting in version 1.0.0-rc0 and prior to version 2.2.0, unbounded image decoding and resizing during preview generation lets an attacker exhaust CPU and memory with highly compressed but extremely large-dimension images. Version 2.2.0 patches the issue.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:a98b7767c0d7070aff3bf629c0a0dcb525839f7fa01877a12e8cc4b2211ab96a
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"vikunja","vendor":"go-vikunja","versions":[{"status":"affected","version":">= 1.0.0-rc0, < 2.2.0"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:5ac3e8ebba15ce956b3db762ad1b62497b0937c925cd3db928071648b1a89de0 · sha256:7c8aa4e485ea4b47… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:5ac3e8ebba15ce956b3db762ad1b62497b0937c925cd3db928071648b1a89de0 · sha256:7c8aa4e485ea4b47… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-400","description":"CWE-400: Uncontrolled Resource Consumption","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:5ac3e8ebba15ce956b3db762ad1b62497b0937c925cd3db928071648b1a89de0 · sha256:7c8aa4e485ea4b47… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions
{"name":"https://github.com/go-vikunja/vikunja/security/advisories/GHSA-wc83-79hj-hpmq","tags":["x_refsource_CONFIRM"],"url":"https://github.com/go-vikunja/vikunja/security/advisories/GHSA-wc83-79hj-hpmq"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:5ac3e8ebba15ce956b3db762ad1b62497b0937c925cd3db928071648b1a89de0 · sha256:7c8aa4e485ea4b47… · /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:v2:5ac3e8ebba15ce956b3db762ad1b62497b0937c925cd3db928071648b1a89de0 · sha256:7c8aa4e485ea4b47… · /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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