CVE•Published 2026-08-30•Modified 2026-09-01•1 article on news•5 live references•NVD data
CVE-2026-82654
Vulnerability data via NVD (ingested)
CVSS v3.1
8.9
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:L
EPSS percentile
13
Exploit Prediction Scoring System · top 87% of all CVEs
Weaknesses (CWE)
Description
SiYuan before v3.8.1 fails to properly escape block name, alias, and memo fields in hint, backlink, and breadcrumb rendering functions. Attackers can set a block's name to contain HTML/script tags that execute when another user views documents referencing or displaying that block.
Timeline
Published 2026-08-30
Modified 2026-09-01
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).
More intel sources (5)
Shodan report
vuln:CVE-2026-82654Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-82654Censys host search filtered to this CVE id.
grep.app
CVE-2026-82654Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-82654GitHub code search for direct mentions.
Google dork
"CVE-2026-82654" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.