CVE-2026-91922

MEDIUMPre-NVD 6.16.1—
EchelonGraph scoreHIGH confidence

Score 6.1 from GitHub Security Advisory published 2026-09-15. a secondary CVSS source baseline 6.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this weekElevated
6.1EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 6.1Exploit: Elevated riskExposed: 0

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

Steedos Platform through 3.0.15-beta.47 contains a reflected cross-site scripting vulnerability in the anonymous /api/page/render endpoint that fails to properly escape query parameters in inline script elements. Attackers can craft malicious links with script-terminating sequences in the schemaApi or data parameters to execute arbitrary JavaScript in victim sessions and steal X-Auth-Token credentials.

CVSS v3
6.1
EG Score
6.1(high)
EG Risk
43(Track)
EG Risk 43/100SSVC: 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
Severity61% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
24%
KEV
Not listed

Published

September 15, 2026

Last Modified

September 24, 2026

Advisory Details (5)

Auto-updated Sep 15, 2026
No patch confirmed yet.
generic

Steedos Platform through 3.0.15-beta.47 Reflected XSS via page render | Advisories | VulnCheck

https://www.vulncheck.com/advisories/steedos-platform-through-3.0.15-beta.47-reflected-xss-via-page-render
generic

steedos-platform/services/service-pages/main/default/routes/page_view.ejs at 044423a3f326d86cf17f0e45adcbd44d2d3b06dd · steedos/steedos-platform · GitHub

https://github.com/steedos/steedos-platform/blob/044423a3f326d86cf17f0e45adcbd44d2d3b06dd/services/service-pages/main/default/routes/page_view.ejs
generic

steedos-platform/services/service-pages/main/default/routes/page_render.router.js at 044423a3f326d86cf17f0e45adcbd44d2d3b06dd · steedos/steedos-platform · GitHub

https://github.com/steedos/steedos-platform/blob/044423a3f326d86cf17f0e45adcbd44d2d3b06dd/services/service-pages/main/default/routes/page_render.router.js
generic

GitHub - steedos/steedos-platform: The AI-Native Infrastructure for Enterprise Apps. Powered by ObjectStack (ObjectQL, ObjectOS, Object UI). Turn Prompts into Enterprise Software. · GitHub

https://github.com/steedos/steedos-platform
generic

Unauthenticated reflected XSS in /api/page/render via schemaApi and data query parameters · Issue #8354 · steedos/steedos-platform · GitHub

https://github.com/steedos/steedos-platform/issues/8354

Vendor Advisories for CVE-2026-91922(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 / 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. 2026-09-24 20:56 UTCGHSA enrichment
  2. 2026-09-24 14:30 UTCEG score recompute
  3. 2026-09-24 14:30 UTCGHSA enrichment
  4. 2026-09-24 14:04 UTCEPSS rescore
  5. 2026-09-23 17:54 UTCEPSS rescore
  6. 2026-09-23 16:48 UTCGHSA enrichment
  7. 2026-09-22 19:07 UTCEG score recompute
  8. 2026-09-22 19:07 UTCGHSA enrichment
  9. 2026-09-22 16:01 UTCEPSS rescore
  10. 2026-09-21 21:26 UTCEG score recompute
  11. 2026-09-21 21:26 UTCGHSA enrichment
  12. 2026-09-21 21:09 UTCEPSS rescore
  13. 2026-09-20 23:41 UTCEG score recompute
  14. 2026-09-20 23:41 UTCGHSA enrichment
  15. 2026-09-20 20:16 UTCEPSS rescore
  16. 2026-09-20 02:00 UTCEG score recompute
  17. 2026-09-20 02:00 UTCGHSA enrichment
  18. 2026-09-19 04:19 UTCEG score recompute
  19. 2026-09-19 04:19 UTCGHSA enrichment
  20. 2026-09-18 19:28 UTCEPSS rescore
  21. 2026-09-18 06:37 UTCEG score recompute
  22. 2026-09-18 06:37 UTCGHSA enrichment
  23. 2026-09-17 19:32 UTCEPSS rescore
  24. 2026-09-17 08:56 UTCEG score recompute
  25. 2026-09-17 08:56 UTCGHSA enrichment
Show 9 more
  1. 2026-09-16 14:09 UTCEPSS rescore
  2. 2026-09-16 11:14 UTCGHSA enrichment
  3. 2026-09-15 13:33 UTCEG score recompute
  4. 2026-09-15 13:33 UTCGHSA enrichment
  5. 2026-09-15 12:53 UTCEG score recompute
  6. 2026-09-15 12:53 UTCGHSA enrichment
  7. 2026-09-15 11:29 UTCEG score recompute
  8. 2026-09-15 11:03 UTCEG score recompute
  9. 2026-09-15 11:02 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-91922?
CVE-2026-91922 is a medium vulnerability published on September 15, 2026. Steedos Platform through 3.0.15-beta.47 contains a reflected cross-site scripting vulnerability in the anonymous /api/page/render endpoint that fails to properly escape query parameters in inline script elements. Attackers can craft malicious links with script-terminating sequences in the schemaApi…
When was CVE-2026-91922 disclosed?
CVE-2026-91922 was first published in the National Vulnerability Database on September 15, 2026, with the most recent update on September 24, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-91922 actively exploited?
CVE-2026-91922 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 75.6% of all scored CVEs.
What is the CVSS score of CVE-2026-91922?
CVE-2026-91922 has a CVSS v3 base score of 6.1 (NVD).
How do I remediate CVE-2026-91922?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-91922, 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-2026-91922

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