CVE-2026-28187

HIGHPre-NVD 7.17.1—
EchelonGraph scoreHIGH confidence

Score 7.1 from GitHub Security Advisory (severity: HIGH) published 2026-08-13. a secondary CVSS source baseline 7.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
7.1EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.1Exploit: None knownExposed: 0

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

Unauthenticated Cross Site Scripting (XSS) in Knowledge Base for Documentation, FAQs with AI Assistance <= 17.211.0 versions.

CVSS v3
7.1
EG Score
7.1(high)
EG Risk
32(Track)
EG Risk 32/100SSVC: 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
Severity71% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
8%
KEV
Not listed

Published

August 13, 2026

Last Modified

August 14, 2026

References (1)

Vendor Advisories for CVE-2026-28187(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 30× in last 7d / 37× 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. 2026-08-21 07:15 UTCEG score recompute
  2. 2026-08-21 07:15 UTCGHSA enrichment
  3. 2026-08-20 22:55 UTCEPSS rescore
  4. 2026-08-20 20:10 UTCGHSA enrichment
  5. 2026-08-20 09:05 UTCGHSA enrichment
  6. 2026-08-19 22:00 UTCEG score recompute
  7. 2026-08-19 22:00 UTCGHSA enrichment
  8. 2026-08-19 17:03 UTCEPSS rescore
  9. 2026-08-19 10:54 UTCGHSA enrichment
  10. 2026-08-18 23:49 UTCEG score recompute
  11. 2026-08-18 23:48 UTCGHSA enrichment
  12. 2026-08-18 13:48 UTCEPSS rescore
  13. 2026-08-18 12:41 UTCGHSA enrichment
  14. 2026-08-18 01:21 UTCGHSA enrichment
  15. 2026-08-17 14:14 UTCEG score recompute
  16. 2026-08-17 14:14 UTCGHSA enrichment
  17. 2026-08-17 13:47 UTCEPSS rescore
  18. 2026-08-17 03:09 UTCGHSA enrichment
  19. 2026-08-16 16:03 UTCEG score recompute
  20. 2026-08-16 16:03 UTCGHSA enrichment
  21. 2026-08-16 14:56 UTCEPSS rescore
  22. 2026-08-16 04:58 UTCEG score recompute
  23. 2026-08-16 04:58 UTCGHSA enrichment
  24. 2026-08-16 02:14 UTCEPSS rescore
  25. 2026-08-15 17:53 UTCGHSA enrichment
Show 12 more
  1. 2026-08-15 06:48 UTCEG score recompute
  2. 2026-08-15 06:48 UTCGHSA enrichment
  3. 2026-08-15 01:30 UTCEPSS rescore
  4. 2026-08-14 19:18 UTCGHSA enrichment
  5. 2026-08-14 14:39 UTCGHSA enrichment
  6. 2026-08-14 03:33 UTCGHSA enrichment
  7. 2026-08-13 16:28 UTCEG score recompute
  8. 2026-08-13 16:28 UTCGHSA enrichment
  9. 2026-08-13 15:33 UTCEG score recompute
  10. 2026-08-13 14:22 UTCEG score recompute
  11. 2026-08-13 13:53 UTCEG score recompute
  12. 2026-08-13 13:51 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-28187?
CVE-2026-28187 is a high vulnerability published on August 13, 2026. Unauthenticated Cross Site Scripting (XSS) in Knowledge Base for Documentation, FAQs with AI Assistance <= 17.211.0 versions.
When was CVE-2026-28187 disclosed?
CVE-2026-28187 was first published in the National Vulnerability Database on August 13, 2026, with the most recent update on August 14, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-28187 actively exploited?
CVE-2026-28187 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 92.1% of all scored CVEs.
What is the CVSS score of CVE-2026-28187?
CVE-2026-28187 has a CVSS v3 base score of 7.1 (NVD).
How do I remediate CVE-2026-28187?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-28187, 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

Explore the affected products and dependency analysis for CVE-2026-28187

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