CVE-2026-34524 json
SillyTavern: Path traversal in `/api/chats/export` and `/api/chats/delete` allows arbitrary file read/delete within user data root
published 7mo ago modified 3mo ago also EUVD-2026-18442 , GHSA-vprr-q85p-79mf
- cvss
- 8.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.6%
- EPSS 0.6% chance of exploitation in 30 days, percentile 47%
- public exploits
- 0
- none known
Summary
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 version 1.17.0, a path traversal vulnerability in chat endpoints allows an authenticated attacker to read and delete arbitrary files under their user data root (for example secrets.json and settings.json) by supplying avatar_url="..". This issue has been patched in version 1.17.0.
Patch / fix
- npm sillytavern 1.17.0
- sillytavern sillytavern 1.17.0
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Check with FencerCISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- total
- Assessed
- 7mo ago
Exploit prediction
0.58% chance of exploitation in the next 30 days, higher than 47% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- github.com https://github.com/SillyTavern/SillyTavern/security/advisories/GHSA-vprr-q85p-79mf referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 8.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L |
| GitHub | 3.1 | 8.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L |
| NVD | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| npm | sillytavern | <1.17.0 |
1.17.0 |
Affected products
- SillyTavern SillyTavern
Classification
- Weakness
-
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory
References
-
github.com
/SillyTavern/SillyTavern/security/advisories/GHSA-vprr-q85p-79mf
exploit, web, vendor-advisory
-
github.com
/SillyTavern/SillyTavern/releases/tag/1.17.0
web, release-notes
-
nvd.nist.gov
/vuln/detail/CVE-2026-34524
advisory
-
github.com
/SillyTavern/SillyTavern
package
Sources
- CVE List CVE-2026-34524
- GitHub Advisory GHSA-vprr-q85p-79mf
- NVD CVE-2026-34524
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.
CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.