CVE-2026-34495

MEDIUMNVD 5.45.4—
EchelonGraph scoreHIGH confidence

Score 5.4 from GitHub Security Advisory published 2026-07-31. NVD baseline CVSS 5.4; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Trending — 3 sources updated this week
5.4EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 5.4Exploit: None knownExposed: 0

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

Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in Johnson Controls FM Systems Employee allows Stored XSS.

This issue affects FM Systems Employee: before 2025.3.1.

CVSS v3
5.4
EG Score
5.4(high)
EG Risk
29(Track)
EG Risk 29/100SSVC: Track

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
Severity54% × 45%
Exploitation0% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
15%
KEV
Not listed

Published

July 31, 2026

Last Modified

August 10, 2026

Advisory Details (1)

Auto-updated Jul 31, 2026
Patch available.
generic Patch Available

Security Advisories | Johnson Controls

https://www.johnsoncontrols.com/trust-center/cybersecurity/security-advisories

Vendor Advisories for CVE-2026-34495(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 20× in last 7d / 61× 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. 2026-08-20 22:55 UTCEPSS rescore
  2. 2026-08-20 22:55 UTCEPSS rescore
  3. 2026-08-20 17:44 UTCEG score recompute
  4. 2026-08-20 17:44 UTCGHSA enrichment
  5. 2026-08-19 17:03 UTCEPSS rescore
  6. 2026-08-19 15:21 UTCEG score recompute
  7. 2026-08-19 15:21 UTCGHSA enrichment
  8. 2026-08-18 13:48 UTCEPSS rescore
  9. 2026-08-18 12:52 UTCEG score recompute
  10. 2026-08-18 12:52 UTCGHSA enrichment
  11. 2026-08-17 13:47 UTCEPSS rescore
  12. 2026-08-17 10:03 UTCEG score recompute
  13. 2026-08-17 10:03 UTCGHSA enrichment
  14. 2026-08-16 14:56 UTCEPSS rescore
  15. 2026-08-16 07:41 UTCEG score recompute
  16. 2026-08-16 07:41 UTCGHSA enrichment
  17. 2026-08-16 02:14 UTCEPSS rescore
  18. 2026-08-15 05:19 UTCEG score recompute
  19. 2026-08-15 05:19 UTCGHSA enrichment
  20. 2026-08-15 01:30 UTCEPSS rescore
  21. 2026-08-14 02:56 UTCEG score recompute
  22. 2026-08-14 02:56 UTCGHSA enrichment
  23. 2026-08-13 22:00 UTCEPSS rescore
  24. 2026-08-13 00:34 UTCEG score recompute
  25. 2026-08-13 00:34 UTCGHSA enrichment
Show 36 more
  1. 2026-08-12 13:50 UTCEPSS rescore
  2. 2026-08-11 22:12 UTCEG score recompute
  3. 2026-08-11 22:12 UTCGHSA enrichment
  4. 2026-08-11 00:00 UTCEPSS rescore
  5. 2026-08-10 19:50 UTCEG score recompute▲ 0.60
  6. 2026-08-10 19:50 UTCGHSA enrichment
  7. 2026-08-10 19:50 UTCNVD updateCVSS v3 → 5.4
  8. 2026-08-09 22:57 UTCEG score recompute
  9. 2026-08-09 22:57 UTCGHSA enrichment
  10. 2026-08-09 13:46 UTCEPSS rescore
  11. 2026-08-08 20:35 UTCEG score recompute
  12. 2026-08-08 20:35 UTCGHSA enrichment
  13. 2026-08-08 16:37 UTCEPSS rescore
  14. 2026-08-07 18:13 UTCEG score recompute
  15. 2026-08-07 18:13 UTCGHSA enrichment
  16. 2026-08-06 15:50 UTCEG score recompute
  17. 2026-08-06 15:50 UTCGHSA enrichment
  18. 2026-08-06 13:46 UTCEPSS rescore
  19. 2026-08-06 07:16 UTCEG score recompute
  20. 2026-08-06 07:16 UTCGHSA enrichment
  21. 2026-08-05 19:17 UTCEPSS rescore
  22. 2026-08-05 04:54 UTCEG score recompute
  23. 2026-08-05 04:54 UTCGHSA enrichment
  24. 2026-08-04 15:10 UTCEPSS rescore
  25. 2026-08-04 10:38 UTCEPSS rescore
  26. 2026-08-04 02:31 UTCEG score recompute
  27. 2026-08-04 02:31 UTCGHSA enrichment
  28. 2026-08-03 10:36 UTCEPSS rescore
  29. 2026-08-03 00:09 UTCEG score recompute
  30. 2026-08-03 00:09 UTCGHSA enrichment
  31. 2026-08-02 02:27 UTCEPSS rescore
  32. 2026-08-01 21:46 UTCGHSA enrichment
  33. 2026-07-31 19:24 UTCGHSA enrichment
  34. 2026-07-31 18:19 UTCEG score recompute
  35. 2026-07-31 18:04 UTCEG score recompute
  36. 2026-07-31 18:03 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-34495?
CVE-2026-34495 is a medium vulnerability published on July 31, 2026. Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in Johnson Controls FM Systems Employee allows Stored XSS. This issue affects FM Systems Employee: before 2025.3.1.
When was CVE-2026-34495 disclosed?
CVE-2026-34495 was first published in the National Vulnerability Database on July 31, 2026, with the most recent update on August 10, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-34495 actively exploited?
CVE-2026-34495 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 85.4% of all scored CVEs.
What is the CVSS score of CVE-2026-34495?
CVE-2026-34495 has a CVSS v3 base score of 5.4 (NVD).
How do I remediate CVE-2026-34495?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-34495, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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