CVE-2026-23935

MEDIUMNVD 4.94.9—
EchelonGraph scoreMEDIUM confidence

Score 4.9 from GitHub Security Advisory published 2026-08-18. NVD baseline CVSS 4.9; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Trending — 3 sources updated this week
4.9EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0.3%CVSS: 4.9Exploit: 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 Zabbix administrator is able to read out of bounds memory by utilizing a flaw in script item/preprocessing (JavaScript) HttpRequest logic, leading to potential confidentiality loss.

CVSS v3
4.9
EG Score
4.9MEDIUMmedium confidence
EG Risk
22
EG Risk 22/100CISA 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
Severity49% × 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
0.3%
EPSS %ILE
24th
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

August 18, 2026

Last Modified

September 23, 2026

Advisory Details (1)

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

Loading...

https://support.zabbix.com/browse/ZBX-28073

Vendor Advisories for CVE-2026-23935(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 rangeFix by version rangeDependents
zabbix1:6.0.14+dfsg-1 ... 1:7.0.9+dfsg-1~bpo12+1 (28 versions)
  • every version on: no fix on record
—
Debian:13(1)
PackageVulnerable rangeFix by version rangeDependents
zabbix1:7.0.10+dfsg-2 ... 1:7.0.29+dfsg-2 (8 versions)
  • every version on: no fix on record
—
Debian:14(1)
PackageVulnerable rangeFix by version rangeDependents
zabbix1:7.0.10+dfsg-2 ... 1:7.0.27+dfsg-1 (6 versions)
  • every version up to 1:7.0.29+dfsg-1: fixed in 1:7.0.29+dfsg-1
—

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 16× in last 7d / 78× 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 127 total refreshes for this CVE.

  1. 2026-10-04 23:21 UTCEPSS rescore
  2. 2026-10-04 16:23 UTCGHSA enrichment
  3. 2026-10-03 17:43 UTCEG score recompute
  4. 2026-10-03 17:43 UTCGHSA enrichment
  5. 2026-10-02 06:55 UTCEG score recompute
  6. 2026-10-02 06:55 UTCGHSA enrichment
  7. 2026-10-01 19:49 UTCEPSS rescore
  8. 2026-10-01 07:41 UTCEG score recompute
  9. 2026-10-01 07:41 UTCGHSA enrichment
  10. 2026-09-30 15:03 UTCEPSS rescore
  11. 2026-09-30 09:55 UTCEG score recompute
  12. 2026-09-30 09:55 UTCGHSA enrichment
  13. 2026-09-29 15:21 UTCEPSS rescore
  14. 2026-09-29 03:45 UTCEG score recompute
  15. 2026-09-29 03:45 UTCGHSA enrichment
  16. 2026-09-28 13:51 UTCEPSS rescore
  17. 2026-09-28 05:49 UTCEG score recompute
  18. 2026-09-28 05:49 UTCGHSA enrichment
  19. 2026-09-27 13:47 UTCEPSS rescore
  20. 2026-09-27 08:02 UTCEG score recompute
  21. 2026-09-27 08:02 UTCGHSA enrichment
  22. 2026-09-26 15:58 UTCEPSS rescore
  23. 2026-09-26 00:26 UTCEPSS rescore
  24. 2026-09-25 10:11 UTCEG score recompute
  25. 2026-09-25 10:11 UTCGHSA enrichment
Show 75 more
  1. 2026-09-24 14:03 UTCEPSS rescore
  2. 2026-09-24 12:24 UTCEG score recompute
  3. 2026-09-24 12:24 UTCGHSA enrichment
  4. 2026-09-23 14:37 UTCEG score recompute▼ 1.90
  5. 2026-09-23 14:37 UTCGHSA enrichment
  6. 2026-09-23 14:35 UTCNVD updateCVSS v3 → 4.9
  7. 2026-09-22 21:45 UTCEG score recompute
  8. 2026-09-22 21:45 UTCGHSA enrichment
  9. 2026-09-21 23:59 UTCEG score recompute
  10. 2026-09-21 23:59 UTCGHSA enrichment
  11. 2026-09-21 02:11 UTCEG score recompute
  12. 2026-09-21 02:11 UTCGHSA enrichment
  13. 2026-09-20 20:15 UTCEPSS rescore
  14. 2026-09-20 04:23 UTCEG score recompute
  15. 2026-09-20 04:23 UTCGHSA enrichment
  16. 2026-09-19 06:37 UTCEG score recompute
  17. 2026-09-19 06:37 UTCGHSA enrichment
  18. 2026-09-18 19:27 UTCEPSS rescore
  19. 2026-09-18 08:47 UTCEG score recompute
  20. 2026-09-18 08:47 UTCGHSA enrichment
  21. 2026-09-17 11:00 UTCEG score recompute
  22. 2026-09-17 11:00 UTCGHSA enrichment
  23. 2026-09-16 14:07 UTCEPSS rescore
  24. 2026-09-16 13:06 UTCEG score recompute
  25. 2026-09-16 13:06 UTCGHSA enrichment
  26. 2026-09-16 05:15 UTCEPSS rescore
  27. 2026-09-15 15:19 UTCEG score recompute
  28. 2026-09-15 15:19 UTCGHSA enrichment
  29. 2026-09-14 17:05 UTCGHSA enrichment
  30. 2026-09-13 19:18 UTCEG score recompute
  31. 2026-09-13 19:18 UTCGHSA enrichment
  32. 2026-09-13 16:47 UTCEPSS rescore
  33. 2026-09-12 21:31 UTCEG score recompute
  34. 2026-09-12 21:31 UTCGHSA enrichment
  35. 2026-09-12 15:01 UTCEPSS rescore
  36. 2026-09-11 23:44 UTCEG score recompute
  37. 2026-09-11 23:44 UTCGHSA enrichment
  38. 2026-09-11 14:52 UTCEPSS rescore
  39. 2026-09-11 00:41 UTCEG score recompute
  40. 2026-09-11 00:41 UTCGHSA enrichment
  41. 2026-09-10 09:34 UTCEPSS rescore
  42. 2026-09-10 01:22 UTCGHSA enrichment
  43. 2026-09-09 03:33 UTCEG score recompute
  44. 2026-09-09 03:33 UTCGHSA enrichment
  45. 2026-09-08 22:00 UTCEPSS rescore
  46. 2026-09-07 16:01 UTCEPSS rescore
  47. 2026-09-07 11:24 UTCEG score recompute
  48. 2026-09-07 11:24 UTCGHSA enrichment
  49. 2026-09-06 13:47 UTCEPSS rescore
  50. 2026-09-06 13:47 UTCEPSS rescore
  51. 2026-09-06 13:12 UTCEG score recompute
  52. 2026-09-06 13:12 UTCGHSA enrichment
  53. 2026-09-05 15:25 UTCGHSA enrichment
  54. 2026-09-04 17:38 UTCEG score recompute
  55. 2026-09-04 17:38 UTCGHSA enrichment
  56. 2026-09-04 05:06 UTCEPSS rescore
  57. 2026-09-03 19:51 UTCGHSA enrichment
  58. 2026-09-02 22:01 UTCGHSA enrichment
  59. 2026-09-01 21:03 UTCEG score recompute
  60. 2026-09-01 21:03 UTCGHSA enrichment
  61. 2026-09-01 13:53 UTCEPSS rescore
  62. 2026-09-01 09:37 UTCGHSA enrichment
  63. 2026-08-31 10:17 UTCEG score recompute
  64. 2026-08-31 10:17 UTCGHSA enrichment
  65. 2026-08-30 19:17 UTCEPSS rescore
  66. 2026-08-30 12:25 UTCEG score recompute
  67. 2026-08-30 12:25 UTCGHSA enrichment
  68. 2026-08-30 01:22 UTCEPSS rescore
  69. 2026-08-29 14:34 UTCEG score recompute
  70. 2026-08-29 14:34 UTCGHSA enrichment
  71. 2026-08-28 21:41 UTCEPSS rescore
  72. 2026-08-28 14:28 UTCGHSA enrichment
  73. 2026-08-27 16:34 UTCEG score recompute
  74. 2026-08-27 16:34 UTCGHSA enrichment
  75. 2026-08-27 14:25 UTCEPSS rescore

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Frequently asked(5)

What is CVE-2026-23935?
CVE-2026-23935 is a medium vulnerability published on August 18, 2026. A Zabbix administrator is able to read out of bounds memory by utilizing a flaw in script item/preprocessing (JavaScript) HttpRequest logic, leading to potential confidentiality loss.
When was CVE-2026-23935 disclosed?
CVE-2026-23935 was first published on August 18, 2026, with the most recent update on September 23, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-23935 actively exploited?
CVE-2026-23935 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.3% probability of exploitation in the next 30 days (24th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-23935?
CVE-2026-23935 has a CVSS v3 base score of 4.9 (NVD).
How do I remediate CVE-2026-23935?
No fix for CVE-2026-23935 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-2026-23935 are linked in the Vendor Advisories panel on this page.

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