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CVE-2026-44649

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, SillyTavern accepts Remote-User (Authelia) and X-Authentik-Username (Authentik) HTTP headers to automatically log in users when SSO is configured. There is no validation that these headers originate from a trusted reverse proxy. Any network client that can reach the SillyTavern port directly can inj
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:dfc3e06e6babcb7be20cde57676dbad4938beb35386ef94815bb899c63c5dd83
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 4 assertions

{"cweId":"CWE-346","description":"CWE-346: Origin Validation Error","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:903bcdef88bce601f7b6f167d39beb7e0f9c519afd78e0609b9e7507fbb0f3a1 · sha256:236ff8587042b85b… · /containers/cna/problemTypes/2/descriptions/0

{"cweId":"CWE-807","description":"CWE-807: Reliance on Untrusted Inputs in a Security Decision","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:903bcdef88bce601f7b6f167d39beb7e0f9c519afd78e0609b9e7507fbb0f3a1 · sha256:236ff8587042b85b… · /containers/cna/problemTypes/3/descriptions/0

{"cweId":"CWE-290","description":"CWE-290: Authentication Bypass by Spoofing","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:903bcdef88bce601f7b6f167d39beb7e0f9c519afd78e0609b9e7507fbb0f3a1 · sha256:236ff8587042b85b… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-306","description":"CWE-306: Missing Authentication for Critical Function","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:903bcdef88bce601f7b6f167d39beb7e0f9c519afd78e0609b9e7507fbb0f3a1 · sha256:236ff8587042b85b… · /containers/cna/problemTypes/1/descriptions/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:v2:903bcdef88bce601f7b6f167d39beb7e0f9c519afd78e0609b9e7507fbb0f3a1 · sha256:236ff8587042b85b… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":9.8,"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:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:903bcdef88bce601f7b6f167d39beb7e0f9c519afd78e0609b9e7507fbb0f3a1 · sha256:236ff8587042b85b… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

4 source assertions
{"cweId":"CWE-346","description":"CWE-346: Origin Validation Error","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:903bcdef88bce601f7b6f167d39beb7e0f9c519afd78e0609b9e7507fbb0f3a1 · sha256:236ff8587042b85b… · /containers/cna/problemTypes/2/descriptions/0
{"cweId":"CWE-807","description":"CWE-807: Reliance on Untrusted Inputs in a Security Decision","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:903bcdef88bce601f7b6f167d39beb7e0f9c519afd78e0609b9e7507fbb0f3a1 · sha256:236ff8587042b85b… · /containers/cna/problemTypes/3/descriptions/0
{"cweId":"CWE-290","description":"CWE-290: Authentication Bypass by Spoofing","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:903bcdef88bce601f7b6f167d39beb7e0f9c519afd78e0609b9e7507fbb0f3a1 · sha256:236ff8587042b85b… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-306","description":"CWE-306: Missing Authentication for Critical Function","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:903bcdef88bce601f7b6f167d39beb7e0f9c519afd78e0609b9e7507fbb0f3a1 · sha256:236ff8587042b85b… · /containers/cna/problemTypes/1/descriptions/0

Source references

2 source assertions
{"name":"https://github.com/SillyTavern/SillyTavern/security/advisories/GHSA-gxx6-h3g6-vwjh","tags":["x_refsource_CONFIRM"],"url":"https://github.com/SillyTavern/SillyTavern/security/advisories/GHSA-gxx6-h3g6-vwjh"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:903bcdef88bce601f7b6f167d39beb7e0f9c519afd78e0609b9e7507fbb0f3a1 · sha256:236ff8587042b85b… · /containers/cna/references/0
{"tags":["exploit"],"url":"https://github.com/SillyTavern/SillyTavern/security/advisories/GHSA-gxx6-h3g6-vwjh"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:903bcdef88bce601f7b6f167d39beb7e0f9c519afd78e0609b9e7507fbb0f3a1 · sha256:236ff8587042b85b… · /containers/adp/0/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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