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CVE-2026-27575

Vikunja is an open-source self-hosted task management platform. Prior to version 2.0.0, the application allows users to set weak passwords (e.g., 1234, password) without enforcing minimum strength requirements. Additionally, active sessions remain valid after a user changes their password. An attacker who compromises an account (via brute-force or credential stuffing) can maintain persistent access even after the victim resets their password. Version 2.0.0 contains a fix.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:19a98f36beeb3231867cafd2a4ff154c94266cc3f87dd5fa27a631cdd2cb0dcc
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 2 assertions

{"cweId":"CWE-521","description":"CWE-521: Weak Password Requirements","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:c278b7b86183f0e71c95fa3b4ea724d463148c7a09004733d416eda708cf8a1a · sha256:9dd3fc757b330f8a… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-613","description":"CWE-613: Insufficient Session Expiration","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:c278b7b86183f0e71c95fa3b4ea724d463148c7a09004733d416eda708cf8a1a · sha256:9dd3fc757b330f8a… · /containers/cna/problemTypes/1/descriptions/0

Affected products and versions

1 source assertion
{"product":"vikunja","vendor":"go-vikunja","versions":[{"status":"affected","version":"< 2.0.0"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:c278b7b86183f0e71c95fa3b4ea724d463148c7a09004733d416eda708cf8a1a · sha256:9dd3fc757b330f8a… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":9.1,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/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:c278b7b86183f0e71c95fa3b4ea724d463148c7a09004733d416eda708cf8a1a · sha256:9dd3fc757b330f8a… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

2 source assertions
{"cweId":"CWE-521","description":"CWE-521: Weak Password Requirements","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:c278b7b86183f0e71c95fa3b4ea724d463148c7a09004733d416eda708cf8a1a · sha256:9dd3fc757b330f8a… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-613","description":"CWE-613: Insufficient Session Expiration","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:c278b7b86183f0e71c95fa3b4ea724d463148c7a09004733d416eda708cf8a1a · sha256:9dd3fc757b330f8a… · /containers/cna/problemTypes/1/descriptions/0

Source references

2 source assertions
{"name":"https://github.com/go-vikunja/vikunja/security/advisories/GHSA-3ccg-x393-96v8","tags":["x_refsource_CONFIRM"],"url":"https://github.com/go-vikunja/vikunja/security/advisories/GHSA-3ccg-x393-96v8"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:c278b7b86183f0e71c95fa3b4ea724d463148c7a09004733d416eda708cf8a1a · sha256:9dd3fc757b330f8a… · /containers/cna/references/0
{"name":"https://vikunja.io/changelog/vikunja-v2.0.0-was-released","tags":["x_refsource_MISC"],"url":"https://vikunja.io/changelog/vikunja-v2.0.0-was-released"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:c278b7b86183f0e71c95fa3b4ea724d463148c7a09004733d416eda708cf8a1a · sha256:9dd3fc757b330f8a… · /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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