CVE-2026-100902

MEDIUMPre-NVD 6.56.5—
EchelonGraph scoreHIGH confidence

Score 6.5 from GitHub Security Advisory published 2026-09-28. A secondary CVSS source baseline 6.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 5 sources updated this weekElevated
6.5EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0.3%CVSS: 6.5Exploit: Elevated riskExposed services: Not assessed

No fix is confirmed yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for the fix.

A vulnerability was determined in Barco ClickShare CX-20 Gen2 up to 02.26.00.0007. Affected by this issue is some unknown functionality of the file /wallpaper of the component Wallpaper Upload. This manipulation of the argument wallpaper causes improper validation of syntactic correctness of input. The attack can be initiated remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS v3
6.5
EG Score
6.5MEDIUMhigh confidence
EG Risk
45
EG Risk 45/100CISA 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 computed
Severity65% × 45%
Exploitation40% × 40%
Automatability0% × 15%
CISA SSVC: Track at low or medium mission impact; Track* 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, and watch the vendor's advisory for the fix.
EPSS PROB
0.3%
EPSS %ILE
24th
KEV
Not listed

CISA SSVCTrack at low or medium mission impact; Track* 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, and watch the vendor's advisory for the fix.

Exploitation public PoC (CISA Vulnrichment) · Automatable no (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

September 28, 2026

Last Modified

September 28, 2026

Advisory Details (1)

Auto-updated Sep 28, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available

-security-disclosures/Barco001.md at main · 0xWKZER/-security-disclosures · GitHub

https://github.com/0xWKZER/-security-disclosures/blob/main/Barco001.md

Vendor Advisories for CVE-2026-100902(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(3)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 34× in last 7d / 34× 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.

  1. 2026-10-04 10:54 UTCEG score recompute
  2. 2026-10-04 10:53 UTCGHSA enrichment
  3. 2026-10-03 14:25 UTCEPSS rescore
  4. 2026-10-03 12:22 UTCEG score recompute
  5. 2026-10-03 12:22 UTCGHSA enrichment
  6. 2026-10-02 13:50 UTCEG score recompute
  7. 2026-10-02 13:50 UTCGHSA enrichment
  8. 2026-10-01 19:49 UTCEPSS rescore
  9. 2026-10-01 15:15 UTCGHSA enrichment
  10. 2026-09-30 16:44 UTCEG score recompute
  11. 2026-09-30 16:44 UTCGHSA enrichment
  12. 2026-09-30 15:02 UTCEPSS rescore
  13. 2026-09-29 18:11 UTCEG score recompute
  14. 2026-09-29 18:11 UTCGHSA enrichment
  15. 2026-09-29 15:20 UTCEPSS rescore
  16. 2026-09-28 19:29 UTCEG score recompute
  17. 2026-09-28 19:29 UTCGHSA enrichment
  18. 2026-09-28 19:21 UTCNVD updateCVSS v4 → 5.7
  19. 2026-09-28 18:52 UTCEG score recompute
  20. 2026-09-28 18:52 UTCGHSA enrichment
  21. 2026-09-28 18:51 UTCMITRE cvelistV5CVSS v4 → 7.1
  22. 2026-09-28 15:28 UTCEG score recompute
  23. 2026-09-28 15:28 UTCGHSA enrichment
  24. 2026-09-28 13:50 UTCEPSS rescore
  25. 2026-09-28 13:29 UTCEG score recompute
Show 9 more
  1. 2026-09-28 13:29 UTCGHSA enrichment
  2. 2026-09-28 13:29 UTCNVD updateCVSS v4 → 5.7
  3. 2026-09-28 13:07 UTCEG score recompute
  4. 2026-09-28 13:07 UTCGHSA enrichment
  5. 2026-09-28 13:07 UTCMITRE cvelistV5CVSS v4 → 7.1
  6. 2026-09-28 04:19 UTCEG score recompute
  7. 2026-09-28 04:19 UTCNVD updateCVSS v4 → 5.7
  8. 2026-09-28 03:27 UTCEG score recompute
  9. 2026-09-28 03:27 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-100902?
CVE-2026-100902 is a medium vulnerability published on September 28, 2026. A vulnerability was determined in Barco ClickShare CX-20 Gen2 up to 02.26.00.0007. Affected by this issue is some unknown functionality of the file /wallpaper of the component Wallpaper Upload. This manipulation of the argument wallpaper causes improper validation of syntactic correctness of input.…
When was CVE-2026-100902 disclosed?
CVE-2026-100902 was first published on September 28, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-100902 actively exploited?
CVE-2026-100902 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.3% probability of exploitation in the next 30 days (24th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-100902?
CVE-2026-100902 has a CVSS base score of 6.5 (a secondary CVSS source that NVD displays; NVD's own analysis pending).
How do I remediate CVE-2026-100902?
No fix for CVE-2026-100902 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-2026-100902 are linked in the Vendor Advisories panel on this page.

Dependency Blast Radius

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