CVE-2026-23929

MEDIUMNVD 5.45.4—
EchelonGraph scoreMEDIUM confidence

Score 5.4 from GitHub Security Advisory (severity: HIGH) published 2026-08-18. NVD baseline CVSS 5.4; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Trending — 3 sources updated this week
5.4EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 5.4Exploit: None knownExposed: 0

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

Prototype pollution vulnerability in searchParamsToObject() is leading to a persistent XSS in Maps. URL parameter processing was not filtering dangerous properties like __proto__, combined with jQuery's unsafe element creation that traversed the prototype chain.

CVSS v3
5.4
EG Score
5.4(medium)
EG Risk
24(Track)
EG Risk 24/100SSVC: 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
Severity54% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
8%
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-28068

Vendor Advisories for CVE-2026-23929(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 18× in last 7d / 102× 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 117 total refreshes for this CVE.

  1. 2026-09-19 10:57 UTCEG score recompute
  2. 2026-09-19 10:57 UTCGHSA enrichment
  3. 2026-09-18 19:27 UTCEPSS rescore
  4. 2026-09-18 11:18 UTCEG score recompute
  5. 2026-09-18 11:18 UTCGHSA enrichment
  6. 2026-09-17 11:51 UTCEG score recompute
  7. 2026-09-17 11:51 UTCGHSA enrichment
  8. 2026-09-16 14:07 UTCEPSS rescore
  9. 2026-09-16 12:24 UTCEG score recompute
  10. 2026-09-16 12:23 UTCGHSA enrichment
  11. 2026-09-16 05:15 UTCEPSS rescore
  12. 2026-09-15 12:57 UTCEG score recompute
  13. 2026-09-15 12:57 UTCGHSA enrichment
  14. 2026-09-14 12:56 UTCEG score recompute
  15. 2026-09-14 12:56 UTCGHSA enrichment
  16. 2026-09-13 16:47 UTCEPSS rescore
  17. 2026-09-13 13:29 UTCEG score recompute
  18. 2026-09-13 13:29 UTCGHSA enrichment
  19. 2026-09-12 15:01 UTCEPSS rescore
  20. 2026-09-12 14:02 UTCGHSA enrichment
  21. 2026-09-11 14:35 UTCEG score recompute
  22. 2026-09-11 14:35 UTCGHSA enrichment
  23. 2026-09-10 15:08 UTCEG score recompute
  24. 2026-09-10 15:08 UTCGHSA enrichment
  25. 2026-09-10 09:34 UTCEPSS rescore
Show 75 more
  1. 2026-09-09 15:40 UTCEG score recompute
  2. 2026-09-09 15:40 UTCGHSA enrichment
  3. 2026-09-08 22:00 UTCEPSS rescore
  4. 2026-09-08 16:12 UTCEG score recompute▼ 3.10
  5. 2026-09-08 16:12 UTCGHSA enrichment
  6. 2026-09-08 15:27 UTCNVD updateCVSS v3 → 5.4 · severity → MEDIUM
  7. 2026-09-07 22:10 UTCEG score recompute
  8. 2026-09-07 22:10 UTCGHSA enrichment
  9. 2026-09-07 16:01 UTCEPSS rescore
  10. 2026-09-07 10:30 UTCGHSA enrichment
  11. 2026-09-06 20:33 UTCEG score recompute
  12. 2026-09-06 20:33 UTCGHSA enrichment
  13. 2026-09-06 13:47 UTCEPSS rescore
  14. 2026-09-06 13:47 UTCEPSS rescore
  15. 2026-09-06 08:52 UTCGHSA enrichment
  16. 2026-09-05 21:13 UTCEG score recompute
  17. 2026-09-05 21:13 UTCGHSA enrichment
  18. 2026-09-05 09:34 UTCGHSA enrichment
  19. 2026-09-04 21:55 UTCEG score recompute
  20. 2026-09-04 21:55 UTCGHSA enrichment
  21. 2026-09-04 10:15 UTCEG score recompute
  22. 2026-09-04 10:15 UTCGHSA enrichment
  23. 2026-09-04 05:06 UTCEPSS rescore
  24. 2026-09-03 22:36 UTCGHSA enrichment
  25. 2026-09-03 09:41 UTCGHSA enrichment
  26. 2026-09-02 22:01 UTCEG score recompute
  27. 2026-09-02 22:01 UTCGHSA enrichment
  28. 2026-09-02 14:11 UTCEPSS rescore
  29. 2026-09-02 08:47 UTCGHSA enrichment
  30. 2026-09-01 21:03 UTCEG score recompute
  31. 2026-09-01 21:03 UTCGHSA enrichment
  32. 2026-09-01 13:53 UTCEPSS rescore
  33. 2026-09-01 09:38 UTCEG score recompute
  34. 2026-09-01 09:37 UTCGHSA enrichment
  35. 2026-09-01 04:39 UTCEPSS rescore
  36. 2026-08-31 20:19 UTCGHSA enrichment
  37. 2026-08-31 05:54 UTCEG score recompute
  38. 2026-08-31 05:54 UTCGHSA enrichment
  39. 2026-08-30 19:17 UTCEPSS rescore
  40. 2026-08-30 18:14 UTCGHSA enrichment
  41. 2026-08-30 06:34 UTCEG score recompute
  42. 2026-08-30 06:34 UTCGHSA enrichment
  43. 2026-08-30 01:22 UTCEPSS rescore
  44. 2026-08-29 18:53 UTCGHSA enrichment
  45. 2026-08-29 04:45 UTCEG score recompute
  46. 2026-08-29 04:45 UTCGHSA enrichment
  47. 2026-08-28 21:41 UTCEPSS rescore
  48. 2026-08-28 10:04 UTCGHSA enrichment
  49. 2026-08-27 22:16 UTCEG score recompute
  50. 2026-08-27 22:16 UTCGHSA enrichment
  51. 2026-08-27 14:25 UTCEPSS rescore
  52. 2026-08-27 10:37 UTCGHSA enrichment
  53. 2026-08-26 22:56 UTCEG score recompute
  54. 2026-08-26 22:56 UTCGHSA enrichment
  55. 2026-08-26 14:46 UTCEPSS rescore
  56. 2026-08-26 11:17 UTCGHSA enrichment
  57. 2026-08-25 23:34 UTCEG score recompute
  58. 2026-08-25 23:34 UTCGHSA enrichment
  59. 2026-08-25 13:48 UTCEPSS rescore
  60. 2026-08-25 11:55 UTCGHSA enrichment
  61. 2026-08-25 00:16 UTCEG score recompute
  62. 2026-08-25 00:16 UTCGHSA enrichment
  63. 2026-08-24 12:37 UTCEG score recompute
  64. 2026-08-24 12:37 UTCGHSA enrichment
  65. 2026-08-24 00:57 UTCGHSA enrichment
  66. 2026-08-23 13:17 UTCGHSA enrichment
  67. 2026-08-23 01:37 UTCEG score recompute
  68. 2026-08-23 01:37 UTCGHSA enrichment
  69. 2026-08-23 00:19 UTCEPSS rescore
  70. 2026-08-22 13:58 UTCGHSA enrichment
  71. 2026-08-22 02:19 UTCEG score recompute
  72. 2026-08-22 02:19 UTCGHSA enrichment
  73. 2026-08-21 23:49 UTCEPSS rescore
  74. 2026-08-21 14:39 UTCGHSA enrichment
  75. 2026-08-21 02:59 UTCEG score recompute

Frequently asked(5)

What is CVE-2026-23929?
CVE-2026-23929 is a medium vulnerability published on August 18, 2026. Prototype pollution vulnerability in searchParamsToObject() is leading to a persistent XSS in Maps. URL parameter processing was not filtering dangerous properties like proto, combined with jQuery's unsafe element creation that traversed the prototype chain.
When was CVE-2026-23929 disclosed?
CVE-2026-23929 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-2026-23929 actively exploited?
CVE-2026-23929 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 91.6% of all scored CVEs.
What is the CVSS score of CVE-2026-23929?
CVE-2026-23929 has a CVSS v3 base score of 5.4 (NVD).
How do I remediate CVE-2026-23929?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-23929, 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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