YesWiki before 4.6.7 contains a missing authorization vulnerability in the attachment download handler that allows unauthenticated attackers to bypass page read ACLs. Attackers can request the download handler with a known page tag and file parameter to retrieve confidential attachments from read-restricted pages.
CVE-2026-104472
Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2026-10-02. A secondary CVSS source baseline 7.5; sources differ by 0.0.
- High severity, but no confirmed exploitation yet
A fix is available — apply it.
- CVSS v3
- 7.5
- EG Score
- 7.5HIGHhigh confidence
- EG Risk
- 65EG Risk 65/100CISA SSVC
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity75% × 45%Exploitation40% × 40%Automatability100% × 15%CISA SSVC: Track at low or medium mission impact; Attend at high (mission-essential systems).Action: A fix is available. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high. - EPSS PROB
- 0.3%
- EPSS %ILE
- 25th
- KEV
- Not listed
CISA SSVCTrack at low or medium mission impact; Attend at high (mission-essential systems).
A fix is available. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high.
Exploitation public PoC (CISA Vulnrichment) · Automatable yes (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table
Published
October 2, 2026
Last Modified
October 2, 2026
Advisory Details (2)
Auto-updated Oct 2, 2026YesWiki before 4.6.7 Missing Authorization via Attachment Download Handler | Advisories | VulnCheck
https://www.vulncheck.com/advisories/yeswiki-before-4.6.7-missing-authorization-via-attachment-download-handlerYesWiki attachment download handler bypasses page read ACLs · Advisory · YesWiki/yeswiki · GitHub
https://github.com/YesWiki/yeswiki/security/advisories/GHSA-7cj2-9pgf-vcw2Vendor Advisories for CVE-2026-104472(1)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 12× in last 7d / 12× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-10-04 03:59 UTCGHSA enrichment
- 2026-10-03 15:49 UTCEG score recompute
- 2026-10-03 15:49 UTCGHSA enrichment
- 2026-10-03 14:25 UTCEPSS rescore
- 2026-10-03 03:36 UTCGHSA enrichment
- 2026-10-02 15:26 UTCEG score recompute
- 2026-10-02 15:26 UTCGHSA enrichment
- 2026-10-02 14:28 UTCEG score recompute
- 2026-10-02 14:28 UTCGHSA enrichment
- 2026-10-02 12:22 UTCEG score recompute
- 2026-10-02 11:48 UTCEG score recompute
- 2026-10-02 11:45 UTCMITRE cvelistV5first tracked
Related CVEs(same CWE)
Frequently asked(5)
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Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2026-104472
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