CVE•Published 2026-09-09•Modified 2026-09-09•1 article on news•4 live references•NVD data
CVE-2026-87815
Vulnerability data via NVD (ingested)
CVSS v3.1
8.7
HIGH
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:H
EPSS percentile
—
Weaknesses (CWE)
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.
Timeline
Published 2026-09-09
Modified 2026-09-09
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common). Live host counts are a Premium feature.
More intel sources (5)
Shodan report
vuln:CVE-2026-87815Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-87815Censys host search filtered to this CVE id.
grep.app
CVE-2026-87815Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-87815GitHub code search for direct mentions.
Google dork
"CVE-2026-87815" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.