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CVE-2026-44650

SillyTavern is a locally installed user interface that allows users to interact with text generation large language models, image generation engines, and text-to-speech voice models. Prior to 1.18.0, POST /api/extensions/delete endpoint accepts extensionName: "." which bypasses sanitize-filename validation, causing the entire user extensions directory to be recursively deleted. No authentication is required in the default configuration. This vulnerability is fixed in 1.18.0.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:207c1ac0fc16eca48cce22cc3782b24ea8e6dce69a9348122917b751fcdb1482
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"SillyTavern","vendor":"SillyTavern","versions":[{"status":"affected","version":"< 1.18.0"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:bcba791eaab979941095054a9f383453dff6c94641636f3a10d21107d1f37ee1 · sha256:d450f8a297ff14f2… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":9.1,"baseSeverity":"CRITICAL","confidentialityImpact":"NONE","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:bcba791eaab979941095054a9f383453dff6c94641636f3a10d21107d1f37ee1 · sha256:d450f8a297ff14f2… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-22","description":"CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:bcba791eaab979941095054a9f383453dff6c94641636f3a10d21107d1f37ee1 · sha256:d450f8a297ff14f2… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions
{"tags":["exploit"],"url":"https://github.com/SillyTavern/SillyTavern/security/advisories/GHSA-886q-f44j-h6wh"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:bcba791eaab979941095054a9f383453dff6c94641636f3a10d21107d1f37ee1 · sha256:d450f8a297ff14f2… · /containers/adp/0/references/0
{"name":"https://github.com/SillyTavern/SillyTavern/security/advisories/GHSA-886q-f44j-h6wh","tags":["x_refsource_CONFIRM"],"url":"https://github.com/SillyTavern/SillyTavern/security/advisories/GHSA-886q-f44j-h6wh"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:bcba791eaab979941095054a9f383453dff6c94641636f3a10d21107d1f37ee1 · sha256:d450f8a297ff14f2… · /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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