CVE-2026-42839

MEDIUMPre-NVD 4.84.8—
EchelonGraph scoreMEDIUM confidence

This medium-severity CVE scores 4.8 under a secondary CVSS source (NVD's own analysis pending). EPSS exploit probability: 0.3%, top 82% of all CVEs by exploit prediction. 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 — 4 sources updated this week
4.8EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 4.8Exploit: None knownExposed: 0

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

An authenticated ERPNext user with Item record edit permissions can persist arbitrary HTML/JavaScript in the item_name, description, or image fields of an Item and trigger unescaped rendering in the Point of Sale (POS) cart interface for every operator who adds that item to a transaction.This issue affects ERPNext: 16.16.0.

CVSS v3
4.8
EG Score
4.8(medium)
EG Risk
22(Track)
EG Risk 22/100SSVC: 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
Severity48% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
18%
KEV
Not listed

Published

June 3, 2026

Last Modified

July 22, 2026

Advisory Details (2)

Auto-updated Jun 16, 2026
No patch confirmed yet.
generic

GitHub - frappe/erpnext: Free and Open Source Enterprise Resource Planning (ERP) · GitHub

https://github.com/frappe/erpnext
generic

Fluid Attacks

https://fluidattacks.com/es/advisories/pink

Vendor Advisories for CVE-2026-42839(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 9× in last 7d / 36× 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 192 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-42839?
CVE-2026-42839 is a medium vulnerability published on June 3, 2026. An authenticated ERPNext user with Item record edit permissions can persist arbitrary HTML/JavaScript in the item_name, description, or image fields of an Item and trigger unescaped rendering in the Point of Sale (POS) cart interface for every operator who adds that item to a transaction.This issue…
When was CVE-2026-42839 disclosed?
CVE-2026-42839 was first published in the National Vulnerability Database on June 3, 2026, with the most recent update on July 22, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-42839 actively exploited?
CVE-2026-42839 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 82.1% of all scored CVEs.
What is the CVSS score of CVE-2026-42839?
CVE-2026-42839 has a CVSS v3 base score of 4.8 (NVD).
How do I remediate CVE-2026-42839?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-42839, 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

Explore the affected products and dependency analysis for CVE-2026-42839

Explore →

Is Your Infrastructure Affected by CVE-2026-42839?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs