CVE-2026-87815
Last modified
CVE-2026-87815 is a high-severity vulnerability rated 8.7/10 on the CVSS scale. SiYuan versions before v3.8.2 contain a path traversal vulnerability in the /api/riff/removeRiffDeck endpoint that fails to validate the deckID parameter. An authenticated administrator can supply path traversal sequences to delete arbitrary .deck and .cards files outside the workspace directory..
Description
SiYuan versions before v3.8.2 contain a path traversal vulnerability in the /api/riff/removeRiffDeck endpoint that fails to validate the deckID parameter. An authenticated administrator can supply path traversal sequences to delete arbitrary .deck and .cards files outside the workspace directory.
Metrics
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| siyuan-note | siyuan | < 3.8.2 |
References
Timeline
- Published
- Last Modified
- Status
- Deferred
Frequently Asked Questions
What is CVE-2026-87815?
How severe is CVE-2026-87815?
How do I fix CVE-2026-87815?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-8781A security flaw has been discovered in omec-project amf up t…4.3
- CVE-2026-87810Siyuan before v3.8.2 contains an information disclosure vuln…5.3
- CVE-2026-87811SiYuan before v3.8.2 inserts persisted notebook template pat…7.3
- CVE-2026-87812SiYuan before v3.8.2 contains a stored cross-site scripting …6.8
- CVE-2026-87813SiYuan before v3.8.2 contains a stored cross-site scripting …7.3
- CVE-2026-87814SiYuan before v3.8.2 contains a stored cross-site scripting …7.3
- CVE-2026-87816PasswordPusher before 2.11.1 contains a time-of-check-to-tim…7.5
- CVE-2026-87817GitPython before 3.1.60 fails to properly validate the git d…8.8
- CVE-2026-87818GitPython 3.1.59 fails to restrict the --no-index option in …6.5
- CVE-2026-87819GitPython before 3.1.60 contains a regular expression denial…7.5
- CVE-2026-8782A weakness has been identified in omec-project amf up to 2.1…4.3
- CVE-2026-87820CyberPanel versions 2.4.3 through 2.4.5 expose unauthenticat…5.3
Are you affected by CVE-2026-87815?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST