CVE-2026-48898

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: HIGH) published 2026-05-26. NVD baseline CVSS 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
9.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 9.8Exploit: None knownExposed: 0

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

An improper access check allows privilege escalation through the com_users batch task.

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
44(Track)
EG Risk 44/100SSVC: 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
Severity98% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
19%
KEV
Not listed

Published

May 26, 2026

Last Modified

July 24, 2026

Advisory Details (1)

Auto-updated Sep 4, 2026
No patch confirmed yet.
generic

[20260513] - Core - Privilege escalation through com_users batch task

https://developer.joomla.org/security-centre/1045-20260513-core-privilege-escalation-through-com-users-batch-task.html

Vendor Advisories for CVE-2026-48898(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 6× in last 7d / 98× 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 328 total refreshes for this CVE.

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

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Frequently asked(5)

What is CVE-2026-48898?
CVE-2026-48898 is a critical vulnerability published on May 26, 2026. An improper access check allows privilege escalation through the com_users batch task.
When was CVE-2026-48898 disclosed?
CVE-2026-48898 was first published in the National Vulnerability Database on May 26, 2026, with the most recent update on July 24, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-48898 actively exploited?
CVE-2026-48898 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 81.3% of all scored CVEs.
What is the CVSS score of CVE-2026-48898?
CVE-2026-48898 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2026-48898?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-48898, 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.

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