CVE-2026-48881

CRITICALPre-NVD 9.19.1—
EchelonGraph scoreMEDIUM confidence

Score 9.1 from GitHub Security Advisory (severity: CRITICAL) published 2026-06-15. the CNA's CVSS baseline 9.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cna:patchstack, epss, ghsa
Trending — 3 sources updated this weekElevated
9.1EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 9.1Exploit: Elevated riskExposed: 0

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

Unauthenticated Broken Access Control in TrueBooker <= 1.1.9 versions.

CVSS v3
9.1
EG Score
9.1(medium)
EG Risk
72(Attend)
EG Risk 72/100SSVC: Attend

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
Severity91% × 45%
Exploitation40% × 40%
Automatability100% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
0%
EPSS %ILE
20%
KEV
Not listed

Published

June 15, 2026

Last Modified

June 16, 2026

Advisory Details (1)

Auto-updated Aug 1, 2026
No patch confirmed yet.
generic

Broken Access Control in WordPress TrueBooker Plugin - Patchstack

https://patchstack.com/database/wordpress/plugin/truebooker-appointment-booking/vulnerability/wordpress-truebooker-plugin-1-1-9-broken-access-control-vulnerability?_s_id=cve

Vendor Advisories for CVE-2026-48881(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 43× in last 7d / 133× 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 266 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-48881?
CVE-2026-48881 is a critical vulnerability published on June 15, 2026. Unauthenticated Broken Access Control in TrueBooker <= 1.1.9 versions.
When was CVE-2026-48881 disclosed?
CVE-2026-48881 was first published in the National Vulnerability Database on June 15, 2026, with the most recent update on June 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-48881 actively exploited?
CVE-2026-48881 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 79.9% of all scored CVEs.
What is the CVSS score of CVE-2026-48881?
CVE-2026-48881 has a CVSS v4.0 base score of 9.1 (CNA self-assessment; NVD's own analysis pending).
How do I remediate CVE-2026-48881?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-48881, 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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