CVE-2026-20030

CRITICALPre-NVD 10.010.0—
EchelonGraph scoreMEDIUM confidence

Score 10.0 from GitHub Security Advisory (severity: CRITICAL) published 2026-08-19. a secondary CVSS source baseline 10.0; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
10.0EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 10.0Exploit: None knownExposed: 0

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

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Crosswork engineering team has conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities. The vulnerabilities tracked by CVE-2026-20030 are related to improper neutralization of special elements used in a SQL command issues that are grouped under the Common Weakness Enumeration (CWE) CWE-89.

CVSS v3
10.0
EG Score
10.0(medium)
EG Risk
60(Track)
EG Risk 60/100SSVC: 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
Severity100% × 45%
Exploitation1% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
45%
KEV
Not listed

Published

August 19, 2026

Last Modified

August 20, 2026

Advisory Details (2)

Auto-updated Sep 17, 2026
⚠️ Active exploitation confirmed. No patch confirmed yet.
generic
https://www.cve.org/Media/News/item/blog/2026/06/16/Preserving-Vulnerability-Level-Identification
generic🔴 Active Exploitation

Cisco Crosswork Security Hardening Release: August 2026

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-hardening-crosswork-UzDTU9Vh

Vendor Advisories for CVE-2026-20030(2)

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 50× in last 7d / 217× 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.

Showing the most recent 100 of 233 total refreshes for this CVE.

  1. 2026-09-19 10:46 UTCGHSA enrichment
  2. 2026-09-19 06:37 UTCGHSA enrichment
  3. 2026-09-19 02:31 UTCGHSA enrichment
  4. 2026-09-18 22:25 UTCEG score recompute
  5. 2026-09-18 22:25 UTCGHSA enrichment
  6. 2026-09-18 19:27 UTCEPSS rescore
  7. 2026-09-18 18:19 UTCGHSA enrichment
  8. 2026-09-18 13:58 UTCGHSA enrichment
  9. 2026-09-18 09:50 UTCGHSA enrichment
  10. 2026-09-18 05:44 UTCGHSA enrichment
  11. 2026-09-18 01:38 UTCGHSA enrichment
  12. 2026-09-17 21:32 UTCEG score recompute
  13. 2026-09-17 21:32 UTCGHSA enrichment
  14. 2026-09-17 13:11 UTCGHSA enrichment
  15. 2026-09-17 08:31 UTCGHSA enrichment
  16. 2026-09-17 04:24 UTCGHSA enrichment
  17. 2026-09-17 00:14 UTCGHSA enrichment
  18. 2026-09-16 20:07 UTCGHSA enrichment
  19. 2026-09-16 14:34 UTCEG score recompute
  20. 2026-09-16 14:34 UTCGHSA enrichment
  21. 2026-09-16 14:07 UTCEPSS rescore
  22. 2026-09-16 09:50 UTCGHSA enrichment
  23. 2026-09-16 05:24 UTCEG score recompute
  24. 2026-09-16 05:23 UTCGHSA enrichment
  25. 2026-09-16 05:14 UTCEPSS rescore
Show 75 more
  1. 2026-09-16 01:17 UTCGHSA enrichment
  2. 2026-09-15 21:10 UTCGHSA enrichment
  3. 2026-09-15 16:39 UTCGHSA enrichment
  4. 2026-09-15 12:27 UTCGHSA enrichment
  5. 2026-09-15 08:13 UTCGHSA enrichment
  6. 2026-09-15 04:07 UTCEG score recompute
  7. 2026-09-15 04:07 UTCGHSA enrichment
  8. 2026-09-15 00:00 UTCGHSA enrichment
  9. 2026-09-14 19:54 UTCGHSA enrichment
  10. 2026-09-14 15:48 UTCGHSA enrichment
  11. 2026-09-14 11:42 UTCGHSA enrichment
  12. 2026-09-14 07:37 UTCGHSA enrichment
  13. 2026-09-14 03:31 UTCGHSA enrichment
  14. 2026-09-13 23:25 UTCGHSA enrichment
  15. 2026-09-13 19:19 UTCEG score recompute
  16. 2026-09-13 19:19 UTCGHSA enrichment
  17. 2026-09-13 16:46 UTCEPSS rescore
  18. 2026-09-13 15:13 UTCGHSA enrichment
  19. 2026-09-13 11:07 UTCGHSA enrichment
  20. 2026-09-13 07:01 UTCGHSA enrichment
  21. 2026-09-13 02:55 UTCGHSA enrichment
  22. 2026-09-12 22:49 UTCGHSA enrichment
  23. 2026-09-12 18:41 UTCEG score recompute
  24. 2026-09-12 18:41 UTCGHSA enrichment
  25. 2026-09-12 15:00 UTCEPSS rescore
  26. 2026-09-12 14:35 UTCGHSA enrichment
  27. 2026-09-12 10:29 UTCGHSA enrichment
  28. 2026-09-12 06:23 UTCGHSA enrichment
  29. 2026-09-12 02:17 UTCGHSA enrichment
  30. 2026-09-11 22:11 UTCGHSA enrichment
  31. 2026-09-11 18:04 UTCEG score recompute
  32. 2026-09-11 18:04 UTCGHSA enrichment
  33. 2026-09-11 14:52 UTCEPSS rescore
  34. 2026-09-11 13:58 UTCGHSA enrichment
  35. 2026-09-11 09:50 UTCEG score recompute
  36. 2026-09-11 09:50 UTCGHSA enrichment
  37. 2026-09-11 09:36 UTCEPSS rescore
  38. 2026-09-11 05:43 UTCGHSA enrichment
  39. 2026-09-11 01:35 UTCGHSA enrichment
  40. 2026-09-10 21:29 UTCGHSA enrichment
  41. 2026-09-10 17:23 UTCGHSA enrichment
  42. 2026-09-10 13:14 UTCEG score recompute
  43. 2026-09-10 13:14 UTCGHSA enrichment
  44. 2026-09-10 09:34 UTCEPSS rescore
  45. 2026-09-10 09:08 UTCGHSA enrichment
  46. 2026-09-10 05:00 UTCGHSA enrichment
  47. 2026-09-10 00:54 UTCGHSA enrichment
  48. 2026-09-09 19:02 UTCGHSA enrichment
  49. 2026-09-09 14:56 UTCGHSA enrichment
  50. 2026-09-09 10:48 UTCGHSA enrichment
  51. 2026-09-09 06:42 UTCGHSA enrichment
  52. 2026-09-09 02:36 UTCEG score recompute
  53. 2026-09-09 02:36 UTCGHSA enrichment
  54. 2026-09-08 22:00 UTCEPSS rescore
  55. 2026-09-08 08:12 UTCGHSA enrichment
  56. 2026-09-08 04:02 UTCGHSA enrichment
  57. 2026-09-07 23:56 UTCGHSA enrichment
  58. 2026-09-07 19:46 UTCEG score recompute
  59. 2026-09-07 19:46 UTCGHSA enrichment
  60. 2026-09-07 16:01 UTCEPSS rescore
  61. 2026-09-07 15:41 UTCGHSA enrichment
  62. 2026-09-07 11:18 UTCGHSA enrichment
  63. 2026-09-07 07:08 UTCGHSA enrichment
  64. 2026-09-07 03:00 UTCGHSA enrichment
  65. 2026-09-06 22:42 UTCGHSA enrichment
  66. 2026-09-06 18:36 UTCGHSA enrichment
  67. 2026-09-06 14:30 UTCEG score recompute
  68. 2026-09-06 14:30 UTCGHSA enrichment
  69. 2026-09-06 13:47 UTCEPSS rescore
  70. 2026-09-06 10:24 UTCGHSA enrichment
  71. 2026-09-06 06:18 UTCGHSA enrichment
  72. 2026-09-06 02:12 UTCGHSA enrichment
  73. 2026-09-05 22:06 UTCGHSA enrichment
  74. 2026-09-05 17:56 UTCEG score recompute
  75. 2026-09-05 17:56 UTCGHSA enrichment

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-20030?
CVE-2026-20030 is a critical vulnerability published on August 19, 2026. As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Crosswork engineering team has conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities. The…
When was CVE-2026-20030 disclosed?
CVE-2026-20030 was first published in the National Vulnerability Database on August 19, 2026, with the most recent update on August 20, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-20030 actively exploited?
CVE-2026-20030 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 55.4% of all scored CVEs.
What is the CVSS score of CVE-2026-20030?
CVE-2026-20030 has a CVSS v3 base score of 10.0 (NVD).
How do I remediate CVE-2026-20030?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-20030, 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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