HortusFox (hortusfox-web) through 6.3 contains an unrestricted file upload vulnerability in PlantAttachmentModel that allows authenticated users to store files with client-supplied extensions under public/attachments/. Attackers can upload HTML or SVG files via /plants/attachments/add for stored cross-site scripting, or PHP files where .htaccess is unenforced to execute code.
CVE-2026-108101
HIGHPre-NVD 7.57.5—Trending — 4 sources updated this week
EchelonGraph scoreHIGH confidence
Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2026-10-09. A secondary CVSS source baseline 7.5; sources differ by 0.0.
Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
7.5EG
EchelonGraph verdictPlan mitigationSerious severity, but no confirmed exploitation yet.
- High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0.4%CVSS: 7.5Exploit: None knownExposed services: Not assessed
No fix is confirmed yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for the fix.
- CVSS v3
- 7.5
- EG Score
- 7.5HIGHhigh confidence
- EG Risk
- 38EG Risk 38/100CISA 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%Exploitation0% × 40%Automatability30% × 15%CISA SSVC: Track at low or medium mission impact; Track or Attend at high (mission-essential systems).Action: No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines at low or medium mission impact and sooner than that at high, and watch the vendor's advisory for the fix. - EPSS PROB
- 0.4%
- EPSS %ILE
- 31st
- KEV
- Not listed
CISA SSVCTrack at low or medium mission impact; Track or Attend at high (mission-essential systems).
No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines at low or medium mission impact and sooner than that at high, and watch the vendor's advisory for the fix.
Exploitation none (no KEV listing, exploit record or EPSS ≥ 50%) · Automatable unknown (not published for this CVE) · Technical impact partial (CVSS below 9.0). 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 9, 2026
Last Modified
October 9, 2026
Advisory Details (6)
Auto-updated Oct 9, 2026🔬 Proof of concept available. No fix on record yet. Sources: github.
generic
HortusFox through 6.3 Unrestricted File Upload via Plant Attachments | Advisories | VulnCheck
https://www.vulncheck.com/advisories/hortusfox-through-6.3-unrestricted-file-upload-via-plant-attachmentsgeneric
hortusfox-web/app/resources/js/app.js at v6.3 · danielbrendel/hortusfox-web · GitHub
https://github.com/danielbrendel/hortusfox-web/blob/v6.3/app/resources/js/app.js#L466generic
hortusfox-web/app/models/PlantAttachmentModel.php at v6.3 · danielbrendel/hortusfox-web · GitHub
https://github.com/danielbrendel/hortusfox-web/blob/v6.3/app/models/PlantAttachmentModel.php#L28-L31generic
Stored XSS HortusFox via Plant attachment upload - HackMD
https://hackmd.io/@leediay/stored-xss-hortusfox-via-plant-attachmentgithubMentions a patch (unverified)🟡 PoC Available
Unrestricted file upload to webroot in PlantAttachmentModel - no extension allowlist, PHP webshell upload leads to RCE · Advisory · danielbrendel/hortusfox-web · GitHub
https://github.com/danielbrendel/hortusfox-web/security/advisories/GHSA-8phf-v3xj-8jjggeneric
GitHub - danielbrendel/hortusfox-web: Self-hosted collaborative plant management and tracking system for plant enthusiasts · GitHub
https://github.com/danielbrendel/hortusfox-webVendor Advisories for CVE-2026-108101(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 9× in last 7d / 9× 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.
- 2026-10-11 04:20 UTCEG score recompute
- 2026-10-11 04:20 UTCGHSA enrichment
- 2026-10-10 19:59 UTCEPSS rescore
- 2026-10-10 16:03 UTCGHSA enrichment
- 2026-10-10 03:47 UTCGHSA enrichment
- 2026-10-09 15:32 UTCEG score recompute
- 2026-10-09 15:32 UTCGHSA enrichment
- 2026-10-09 14:30 UTCEG score recompute
- 2026-10-09 14:28 UTCMITRE cvelistV5first tracked
Related CVEs(same CWE)
Frequently asked(5)
What is CVE-2026-108101?
CVE-2026-108101 is a high vulnerability published on October 9, 2026. HortusFox (hortusfox-web) through 6.3 contains an unrestricted file upload vulnerability in PlantAttachmentModel that allows authenticated users to store files with client-supplied extensions under public/attachments/. Attackers can upload HTML or SVG files via /plants/attachments/add for stored…
When was CVE-2026-108101 disclosed?
CVE-2026-108101 was first published on October 9, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-108101 actively exploited?
CVE-2026-108101 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.4% probability of exploitation in the next 30 days (31st percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-108101?
CVE-2026-108101 has a CVSS base score of 7.5 (a secondary CVSS source that NVD displays; NVD's own analysis pending).
How do I remediate CVE-2026-108101?
No fix for CVE-2026-108101 is confirmed yet. Until one is published, restrict network exposure of the affected system or apply the vendor's mitigation — for example, keep it off the internet or limit it to trusted networks — and watch the vendor's advisory for the fix. The vendor advisories EchelonGraph has for CVE-2026-108101 are linked in the Vendor Advisories panel on this page.
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2026-108101
Is Your Infrastructure Affected by CVE-2026-108101?
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.