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CVE-2026-23480

Blinko is an AI-powered card note-taking project. Prior to version 1.8.4, there is a privilege escalation vulnerability. The upsertUser endpoint has 3 issues: it is missing superAdminAuthMiddleware, any logged-in user can call it; the originalPassword is an optional parameter and if not provided password verification is skipped; there is no check for input.id === ctx.id (ownership verification). This could result in any authenticated user modifying other users' passwords, direct escalation to su
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:b18661e33d6403cfd6319bc9523d4e1f87deedb09f3fed3ba451276291139385
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"blinko","vendor":"blinkospace","versions":[{"status":"affected","version":"< 1.8.4"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:c26d48909be2fe9955618a6f786a6ff749598056f75ad5472615c1d0c9384975 · sha256:241bcb18f7da0d5c… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":5.3,"baseSeverity":"MEDIUM","privilegesRequired":"LOW","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"LOW"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:c26d48909be2fe9955618a6f786a6ff749598056f75ad5472615c1d0c9384975 · sha256:241bcb18f7da0d5c… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-288","description":"CWE-288: Authentication Bypass Using an Alternate Path or Channel","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:c26d48909be2fe9955618a6f786a6ff749598056f75ad5472615c1d0c9384975 · sha256:241bcb18f7da0d5c… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions
{"name":"https://github.com/blinkospace/blinko/commit/3afbdf486b6f371bdac5781dea6289749f2c4c03","tags":["x_refsource_MISC"],"url":"https://github.com/blinkospace/blinko/commit/3afbdf486b6f371bdac5781dea6289749f2c4c03"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:c26d48909be2fe9955618a6f786a6ff749598056f75ad5472615c1d0c9384975 · sha256:241bcb18f7da0d5c… · /containers/cna/references/1
{"name":"https://github.com/blinkospace/blinko/releases/tag/1.8.4","tags":["x_refsource_MISC"],"url":"https://github.com/blinkospace/blinko/releases/tag/1.8.4"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:c26d48909be2fe9955618a6f786a6ff749598056f75ad5472615c1d0c9384975 · sha256:241bcb18f7da0d5c… · /containers/cna/references/2
{"name":"https://github.com/blinkospace/blinko/security/advisories/GHSA-r3mv-q7ww-86p6","tags":["x_refsource_CONFIRM"],"url":"https://github.com/blinkospace/blinko/security/advisories/GHSA-r3mv-q7ww-86p6"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:c26d48909be2fe9955618a6f786a6ff749598056f75ad5472615c1d0c9384975 · sha256:241bcb18f7da0d5c… · /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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