CVE-2026-23930

HIGHNVD 7.57.5—
EchelonGraph scoreMEDIUM confidence

Score 7.5 from GitHub Security Advisory published 2026-08-18. NVD baseline CVSS 7.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Trending — 3 sources updated this week
7.5EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.5Exploit: None knownExposed: 0

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

An unauthenticated user is able to cause disproportionate CPU load on the Frontend webserver by sending specifically crafted requests to the Frontend popup.testtriggerexpr action, leading to potential denial of service.

CVSS v3
7.5
EG Score
7.5(medium)
EG Risk
34(Track)
EG Risk 34/100SSVC: 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
Severity75% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
29%
KEV
Not listed

Published

August 18, 2026

Last Modified

September 8, 2026

Advisory Details (1)

Auto-updated Aug 18, 2026
No patch confirmed yet.
generic

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https://support.zabbix.com/browse/ZBX-28069

Vendor Advisories for CVE-2026-23930(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Affected Packages

(3 across 3 ecosystems)
Debian:12(1)
PackageVulnerable rangeFixed inDependents
zabbix1:6.0.14+dfsg-1 ... 1:7.0.9+dfsg-1~bpo12+1 (28 versions)——
Debian:13(1)
PackageVulnerable rangeFixed inDependents
zabbix1:7.0.10+dfsg-2 ... 1:7.0.29+dfsg-2 (8 versions)——
Debian:14(1)
PackageVulnerable rangeFixed inDependents
zabbix1:7.0.10+dfsg-2, 1:7.0.22+dfsg-1, 1:7.0.22+dfsg-1.1, 1:7.0.22+dfsg-1~bpo13+1, 1:7.0.22+dfsg-1~deb13u11:7.0.27+dfsg-1—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 26× in last 7d / 95× 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 104 total refreshes for this CVE.

  1. 2026-09-19 11:17 UTCGHSA enrichment
  2. 2026-09-18 23:37 UTCEG score recompute
  3. 2026-09-18 23:37 UTCGHSA enrichment
  4. 2026-09-18 19:27 UTCEPSS rescore
  5. 2026-09-18 11:56 UTCGHSA enrichment
  6. 2026-09-18 00:16 UTCEG score recompute
  7. 2026-09-18 00:16 UTCGHSA enrichment
  8. 2026-09-17 11:04 UTCGHSA enrichment
  9. 2026-09-16 23:22 UTCEG score recompute
  10. 2026-09-16 23:22 UTCGHSA enrichment
  11. 2026-09-16 14:07 UTCEPSS rescore
  12. 2026-09-16 11:41 UTCEG score recompute
  13. 2026-09-16 11:41 UTCGHSA enrichment
  14. 2026-09-16 05:15 UTCEPSS rescore
  15. 2026-09-16 00:00 UTCGHSA enrichment
  16. 2026-09-15 11:47 UTCEG score recompute
  17. 2026-09-15 11:47 UTCGHSA enrichment
  18. 2026-09-15 00:08 UTCGHSA enrichment
  19. 2026-09-14 11:56 UTCGHSA enrichment
  20. 2026-09-14 00:17 UTCEG score recompute
  21. 2026-09-14 00:17 UTCGHSA enrichment
  22. 2026-09-13 16:47 UTCEPSS rescore
  23. 2026-09-13 12:37 UTCGHSA enrichment
  24. 2026-09-13 00:57 UTCEG score recompute
  25. 2026-09-13 00:57 UTCGHSA enrichment
Show 75 more
  1. 2026-09-12 15:01 UTCEPSS rescore
  2. 2026-09-12 13:18 UTCGHSA enrichment
  3. 2026-09-12 01:38 UTCEG score recompute
  4. 2026-09-12 01:38 UTCGHSA enrichment
  5. 2026-09-11 14:52 UTCEPSS rescore
  6. 2026-09-11 13:58 UTCEG score recompute
  7. 2026-09-11 13:58 UTCGHSA enrichment
  8. 2026-09-11 02:17 UTCGHSA enrichment
  9. 2026-09-10 14:38 UTCEG score recompute
  10. 2026-09-10 14:38 UTCGHSA enrichment
  11. 2026-09-10 09:34 UTCEPSS rescore
  12. 2026-09-10 02:56 UTCGHSA enrichment
  13. 2026-09-09 15:15 UTCGHSA enrichment
  14. 2026-09-09 03:33 UTCEG score recompute
  15. 2026-09-09 03:33 UTCGHSA enrichment
  16. 2026-09-08 22:00 UTCEPSS rescore
  17. 2026-09-08 15:23 UTCEG score recompute▲ 2.20
  18. 2026-09-08 15:23 UTCGHSA enrichment
  19. 2026-09-08 15:06 UTCNVD updateCVSS v3 → 7.5 · severity → HIGH
  20. 2026-09-07 21:02 UTCEG score recompute
  21. 2026-09-07 21:02 UTCGHSA enrichment
  22. 2026-09-07 16:01 UTCEPSS rescore
  23. 2026-09-06 21:29 UTCEG score recompute
  24. 2026-09-06 21:29 UTCGHSA enrichment
  25. 2026-09-06 13:47 UTCEPSS rescore
  26. 2026-09-06 13:47 UTCEPSS rescore
  27. 2026-09-05 21:56 UTCEG score recompute
  28. 2026-09-05 21:56 UTCGHSA enrichment
  29. 2026-09-04 22:20 UTCEG score recompute
  30. 2026-09-04 22:20 UTCGHSA enrichment
  31. 2026-09-04 05:06 UTCEPSS rescore
  32. 2026-09-03 22:36 UTCGHSA enrichment
  33. 2026-09-02 22:01 UTCEG score recompute
  34. 2026-09-02 22:01 UTCGHSA enrichment
  35. 2026-09-02 14:11 UTCEPSS rescore
  36. 2026-09-01 21:03 UTCEG score recompute
  37. 2026-09-01 21:03 UTCGHSA enrichment
  38. 2026-09-01 13:53 UTCEPSS rescore
  39. 2026-09-01 09:37 UTCEG score recompute
  40. 2026-09-01 09:37 UTCGHSA enrichment
  41. 2026-09-01 04:39 UTCEPSS rescore
  42. 2026-08-31 09:30 UTCEG score recompute
  43. 2026-08-31 09:30 UTCGHSA enrichment
  44. 2026-08-30 19:17 UTCEPSS rescore
  45. 2026-08-30 09:39 UTCGHSA enrichment
  46. 2026-08-29 10:03 UTCEG score recompute
  47. 2026-08-29 10:03 UTCGHSA enrichment
  48. 2026-08-28 21:41 UTCEPSS rescore
  49. 2026-08-28 10:31 UTCEG score recompute
  50. 2026-08-28 10:31 UTCGHSA enrichment
  51. 2026-08-27 14:25 UTCEPSS rescore
  52. 2026-08-27 10:52 UTCEG score recompute
  53. 2026-08-27 10:52 UTCGHSA enrichment
  54. 2026-08-26 14:46 UTCEPSS rescore
  55. 2026-08-26 11:18 UTCEG score recompute
  56. 2026-08-26 11:18 UTCGHSA enrichment
  57. 2026-08-25 13:48 UTCEPSS rescore
  58. 2026-08-25 11:44 UTCEG score recompute
  59. 2026-08-25 11:44 UTCGHSA enrichment
  60. 2026-08-24 12:11 UTCEG score recompute
  61. 2026-08-24 12:11 UTCGHSA enrichment
  62. 2026-08-23 12:39 UTCEG score recompute
  63. 2026-08-23 12:39 UTCGHSA enrichment
  64. 2026-08-23 00:19 UTCEPSS rescore
  65. 2026-08-22 13:06 UTCEG score recompute
  66. 2026-08-22 13:06 UTCGHSA enrichment
  67. 2026-08-21 23:49 UTCEPSS rescore
  68. 2026-08-21 13:34 UTCEG score recompute
  69. 2026-08-21 13:34 UTCGHSA enrichment
  70. 2026-08-20 22:55 UTCEPSS rescore
  71. 2026-08-20 14:01 UTCEG score recompute
  72. 2026-08-20 14:01 UTCGHSA enrichment
  73. 2026-08-19 17:03 UTCEPSS rescore
  74. 2026-08-19 14:16 UTCGHSA enrichment
  75. 2026-08-18 14:44 UTCEG score recompute

Frequently asked(5)

What is CVE-2026-23930?
CVE-2026-23930 is a high vulnerability published on August 18, 2026. An unauthenticated user is able to cause disproportionate CPU load on the Frontend webserver by sending specifically crafted requests to the Frontend popup.testtriggerexpr action, leading to potential denial of service.
When was CVE-2026-23930 disclosed?
CVE-2026-23930 was first published in the National Vulnerability Database on August 18, 2026, with the most recent update on September 8, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-23930 actively exploited?
CVE-2026-23930 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 70.8% of all scored CVEs.
What is the CVSS score of CVE-2026-23930?
CVE-2026-23930 has a CVSS v3 base score of 7.5 (NVD).
How do I remediate CVE-2026-23930?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-23930, 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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