SiYuan 3.8.0 contains a path traversal / sensitive file exposure vulnerability in the RenderTemplate function (kernel/model/template.go), reachable via the POST /api/template/render endpoint (kernel/api/template.go). The endpoint restricts the supplied path only to the workspace directory (util.IsAbsPathInWorkspace) but, unlike the file API's refuseToAccess() blocklist, applies no sensitive-path exclusion. This allows an authenticated attacker to read sensitive workspace files, including conf/conf.json, which contains the API token and cookie signing key. The issue is fixed in v3.8.1.
Metrics
Affected Vendors & Products
References
History
Mon, 31 Aug 2026 21:30:00 +0000
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Siyuan
Siyuan siyuan |
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| Vendors & Products |
Siyuan
Siyuan siyuan |
Mon, 31 Aug 2026 17:30:00 +0000
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ssvc
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Sun, 30 Aug 2026 14:45:00 +0000
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| Description | SiYuan 3.8.0 contains a path traversal / sensitive file exposure vulnerability in the RenderTemplate function (kernel/model/template.go), reachable via the POST /api/template/render endpoint (kernel/api/template.go). The endpoint restricts the supplied path only to the workspace directory (util.IsAbsPathInWorkspace) but, unlike the file API's refuseToAccess() blocklist, applies no sensitive-path exclusion. This allows an authenticated attacker to read sensitive workspace files, including conf/conf.json, which contains the API token and cookie signing key. The issue is fixed in v3.8.1. | |
| Title | SiYuan before v3.8.1 Path Traversal via /api/template/render | |
| First Time appeared |
B3log
B3log siyuan |
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| Weaknesses | CWE-668 | |
| CPEs | cpe:2.3:a:b3log:siyuan:*:*:*:*:*:*:*:* | |
| Vendors & Products |
B3log
B3log siyuan |
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| References |
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| Metrics |
cvssV3_1
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Status: PUBLISHED
Assigner: VulnCheck
Published: 2026-08-30T14:33:32.423Z
Updated: 2026-08-31T16:42:46.656Z
Reserved: 2026-08-30T13:38:00.101Z
Link: CVE-2026-82650
Updated: 2026-08-31T16:42:39.723Z
Status : Deferred
Published: 2026-08-30T15:16:45.610
Modified: 2026-08-31T20:56:08.800
Link: CVE-2026-82650
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