CVE-2026-20773

HIGHPre-NVD 8.58.5—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 8.5 under a secondary CVSS source (NVD's own analysis pending). EPSS exploit probability: 0.2% (9th percentile of EPSS-scored CVEs). GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, secondary
Trending — 3 sources updated this week
8.5EG
EchelonGraph verdictPlan mitigationSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0.2%CVSS: 8.5Exploit: None knownExposed services: Not assessed

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

A role-based access control issue was identified in the administrative expression evaluation functionality. This could allow users with certain administrative roles to access expression testing capabilities beyond their intended permissions.

CVSS v3
8.5
EG Score
8.5HIGHmedium confidence
EG Risk
38
EG 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 computed
Severity85% × 45%
Exploitation0% × 40%
Automatability0% × 15%
CISA SSVC: Track at every mission impact level.
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
0.2%
EPSS %ILE
9th
KEV
Not listed

CISA SSVCTrack at every mission impact level.

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 none (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 14, 2026

Last Modified

September 18, 2026

Vendor Advisories for CVE-2026-20773(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 26× in last 7d / 73× 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 07:27 UTCGHSA enrichment
  2. 2026-10-03 18:53 UTCEG score recompute
  3. 2026-10-03 18:53 UTCGHSA enrichment
  4. 2026-10-03 06:15 UTCGHSA enrichment
  5. 2026-10-02 17:41 UTCEG score recompute
  6. 2026-10-02 17:41 UTCGHSA enrichment
  7. 2026-10-02 05:06 UTCEG score recompute
  8. 2026-10-02 05:06 UTCGHSA enrichment
  9. 2026-10-01 19:49 UTCEPSS rescore
  10. 2026-10-01 15:15 UTCGHSA enrichment
  11. 2026-10-01 02:41 UTCEG score recompute
  12. 2026-10-01 02:41 UTCGHSA enrichment
  13. 2026-09-30 15:03 UTCEPSS rescore
  14. 2026-09-30 14:07 UTCGHSA enrichment
  15. 2026-09-30 01:31 UTCEG score recompute
  16. 2026-09-30 01:31 UTCGHSA enrichment
  17. 2026-09-29 15:21 UTCEPSS rescore
  18. 2026-09-29 07:39 UTCEG score recompute
  19. 2026-09-29 07:39 UTCGHSA enrichment
  20. 2026-09-28 19:05 UTCEG score recompute
  21. 2026-09-28 19:05 UTCGHSA enrichment
  22. 2026-09-28 13:51 UTCEPSS rescore
  23. 2026-09-28 06:31 UTCGHSA enrichment
  24. 2026-09-27 17:57 UTCEG score recompute
  25. 2026-09-27 17:57 UTCGHSA enrichment
Show 48 more
  1. 2026-09-27 13:47 UTCEPSS rescore
  2. 2026-09-27 05:24 UTCGHSA enrichment
  3. 2026-09-26 16:49 UTCEG score recompute
  4. 2026-09-26 16:49 UTCGHSA enrichment
  5. 2026-09-26 15:58 UTCEPSS rescore
  6. 2026-09-26 04:08 UTCEG score recompute
  7. 2026-09-26 04:08 UTCGHSA enrichment
  8. 2026-09-26 00:26 UTCEPSS rescore
  9. 2026-09-25 15:28 UTCGHSA enrichment
  10. 2026-09-25 02:50 UTCGHSA enrichment
  11. 2026-09-24 14:16 UTCEG score recompute
  12. 2026-09-24 14:16 UTCGHSA enrichment
  13. 2026-09-24 14:03 UTCEPSS rescore
  14. 2026-09-24 01:15 UTCEG score recompute
  15. 2026-09-24 01:15 UTCGHSA enrichment
  16. 2026-09-23 12:42 UTCGHSA enrichment
  17. 2026-09-23 00:08 UTCEG score recompute
  18. 2026-09-23 00:08 UTCGHSA enrichment
  19. 2026-09-22 11:34 UTCGHSA enrichment
  20. 2026-09-21 23:01 UTCEG score recompute
  21. 2026-09-21 23:01 UTCGHSA enrichment
  22. 2026-09-21 10:26 UTCGHSA enrichment
  23. 2026-09-20 21:53 UTCEG score recompute
  24. 2026-09-20 21:53 UTCGHSA enrichment
  25. 2026-09-20 20:15 UTCEPSS rescore
  26. 2026-09-20 09:18 UTCGHSA enrichment
  27. 2026-09-19 20:40 UTCEG score recompute
  28. 2026-09-19 20:40 UTCGHSA enrichment
  29. 2026-09-19 08:06 UTCGHSA enrichment
  30. 2026-09-18 19:33 UTCEG score recompute
  31. 2026-09-18 19:33 UTCGHSA enrichment
  32. 2026-09-18 19:27 UTCEPSS rescore
  33. 2026-09-18 16:58 UTCGHSA enrichment
  34. 2026-09-18 04:24 UTCEG score recompute
  35. 2026-09-18 04:24 UTCGHSA enrichment
  36. 2026-09-17 15:50 UTCGHSA enrichment
  37. 2026-09-17 03:16 UTCGHSA enrichment
  38. 2026-09-16 14:42 UTCEG score recompute
  39. 2026-09-16 14:42 UTCGHSA enrichment
  40. 2026-09-16 14:07 UTCEPSS rescore
  41. 2026-09-16 05:15 UTCEPSS rescore
  42. 2026-09-16 02:08 UTCGHSA enrichment
  43. 2026-09-15 13:34 UTCGHSA enrichment
  44. 2026-09-15 01:00 UTCGHSA enrichment
  45. 2026-09-14 12:26 UTCEG score recompute
  46. 2026-09-14 11:21 UTCEG score recompute
  47. 2026-09-14 10:45 UTCEG score recompute
  48. 2026-09-14 10:44 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-20773?
CVE-2026-20773 is a high vulnerability published on September 14, 2026. A role-based access control issue was identified in the administrative expression evaluation functionality. This could allow users with certain administrative roles to access expression testing capabilities beyond their intended permissions.
When was CVE-2026-20773 disclosed?
CVE-2026-20773 was first published on September 14, 2026, with the most recent update on September 18, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-20773 actively exploited?
CVE-2026-20773 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.2% probability of exploitation in the next 30 days (9th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-20773?
CVE-2026-20773 has a CVSS base score of 8.5 (a secondary CVSS source that NVD displays; NVD's own analysis pending).
How do I remediate CVE-2026-20773?
No fix for CVE-2026-20773 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-2026-20773 are linked in the Vendor Advisories panel on this page.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2026-20773

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