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CVE-2026-58266

Anki is a program for creating and reviewing flashcards. Prior to 25.09.4, Anki's webview-based pages communicate with the Rust backend using an internal localhost API, and user scripts included via iframes in the editor can access this API despite protections intended to block reviewer and editor scripts. A malicious imported card package with an embedded iframe can use exposed API methods such as getImageForOcclusion to read arbitrary files accessible to the Anki process and exfiltrate them ov
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:ea87579a217022f4340e85b6e7873c0a19835fccd04053e07b49eb68849f17d2
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"anki","vendor":"ankitects","versions":[{"status":"affected","version":"< 25.09.4"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:531c1353224b915feab5a7a2545a264a58dbce3828719a5fc60bdb6dd052d755 · sha256:54f5a940f2286d73… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:531c1353224b915feab5a7a2545a264a58dbce3828719a5fc60bdb6dd052d755 · sha256:54f5a940f2286d73… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-346","description":"CWE-346: Origin Validation Error","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:531c1353224b915feab5a7a2545a264a58dbce3828719a5fc60bdb6dd052d755 · sha256:54f5a940f2286d73… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions
{"name":"https://github.com/ankitects/anki/commit/b2b68d829e853da51b5de8aad6c13b53e90bc20d","tags":["x_refsource_MISC"],"url":"https://github.com/ankitects/anki/commit/b2b68d829e853da51b5de8aad6c13b53e90bc20d"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:531c1353224b915feab5a7a2545a264a58dbce3828719a5fc60bdb6dd052d755 · sha256:54f5a940f2286d73… · /containers/cna/references/1
{"name":"https://github.com/ankitects/anki/releases/tag/25.09.4","tags":["x_refsource_MISC"],"url":"https://github.com/ankitects/anki/releases/tag/25.09.4"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:531c1353224b915feab5a7a2545a264a58dbce3828719a5fc60bdb6dd052d755 · sha256:54f5a940f2286d73… · /containers/cna/references/2
{"name":"https://github.com/ankitects/anki/security/advisories/GHSA-cw6h-ffmh-x6vh","tags":["x_refsource_CONFIRM"],"url":"https://github.com/ankitects/anki/security/advisories/GHSA-cw6h-ffmh-x6vh"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:531c1353224b915feab5a7a2545a264a58dbce3828719a5fc60bdb6dd052d755 · sha256:54f5a940f2286d73… · /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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