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
Elevated
9.1EG
EchelonGraph verdictPlan mitigationSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0.4%CVSS: 9.1Exploit: Elevated riskExposed services: Not assessed

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

Unauthenticated Broken Access Control in TrueBooker <= 1.1.9 versions.

CVSS v3
9.1
EG Score
9.1CRITICALmedium confidence
EG Risk
72
EG Risk 72/100

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%
EPSS PROB
0.4%
EPSS %ILE
32nd
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 5× in last 7d / 24× 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 426 total refreshes for this CVE.

  1. 2026-09-28 13:51 UTCEPSS rescore
  2. 2026-09-27 13:48 UTCEPSS rescore
  3. 2026-09-26 15:59 UTCEPSS rescore
  4. 2026-09-26 00:27 UTCEPSS rescore
  5. 2026-09-23 17:53 UTCEPSS rescore
  6. 2026-09-20 20:16 UTCEPSS rescore
  7. 2026-09-18 19:28 UTCEPSS rescore
  8. 2026-09-16 14:08 UTCEPSS rescore
  9. 2026-09-16 05:15 UTCEPSS rescore
  10. 2026-09-14 07:36 UTCGHSA enrichment
  11. 2026-09-14 03:37 UTCEG score recompute
  12. 2026-09-14 03:37 UTCGHSA enrichment
  13. 2026-09-13 16:47 UTCEPSS rescore
  14. 2026-09-11 14:53 UTCEPSS rescore
  15. 2026-09-10 09:35 UTCEPSS rescore
  16. 2026-09-08 22:01 UTCEPSS rescore
  17. 2026-09-07 16:01 UTCEPSS rescore
  18. 2026-09-06 13:47 UTCEPSS rescore
  19. 2026-09-04 05:06 UTCEPSS rescore
  20. 2026-09-02 14:12 UTCEPSS rescore
  21. 2026-09-01 13:54 UTCEPSS rescore
  22. 2026-09-01 04:40 UTCEPSS rescore
  23. 2026-08-30 22:54 UTCEG score recompute
  24. 2026-08-30 22:54 UTCGHSA enrichment
  25. 2026-08-30 19:17 UTCEPSS rescore
Show 75 more
  1. 2026-08-30 01:22 UTCEPSS rescore
  2. 2026-08-28 21:41 UTCEPSS rescore
  3. 2026-08-27 14:25 UTCEPSS rescore
  4. 2026-08-26 14:46 UTCEPSS rescore
  5. 2026-08-25 13:49 UTCEPSS rescore
  6. 2026-08-25 07:28 UTCGHSA enrichment
  7. 2026-08-25 03:28 UTCGHSA enrichment
  8. 2026-08-24 23:29 UTCEG score recompute
  9. 2026-08-24 23:29 UTCGHSA enrichment
  10. 2026-08-24 01:40 UTCGHSA enrichment
  11. 2026-08-23 21:36 UTCGHSA enrichment
  12. 2026-08-23 17:37 UTCGHSA enrichment
  13. 2026-08-23 13:38 UTCGHSA enrichment
  14. 2026-08-23 09:39 UTCEG score recompute
  15. 2026-08-23 09:39 UTCGHSA enrichment
  16. 2026-08-23 00:19 UTCEPSS rescore
  17. 2026-08-21 23:49 UTCEPSS rescore
  18. 2026-08-21 22:54 UTCGHSA enrichment
  19. 2026-08-21 18:55 UTCGHSA enrichment
  20. 2026-08-21 14:31 UTCGHSA enrichment
  21. 2026-08-21 10:27 UTCGHSA enrichment
  22. 2026-08-21 06:23 UTCGHSA enrichment
  23. 2026-08-21 01:09 UTCEG score recompute
  24. 2026-08-21 01:09 UTCGHSA enrichment
  25. 2026-08-20 22:55 UTCEPSS rescore
  26. 2026-08-20 21:06 UTCGHSA enrichment
  27. 2026-08-20 17:00 UTCGHSA enrichment
  28. 2026-08-20 12:36 UTCGHSA enrichment
  29. 2026-08-20 08:37 UTCEG score recompute
  30. 2026-08-20 08:37 UTCGHSA enrichment
  31. 2026-08-19 17:04 UTCEPSS rescore
  32. 2026-08-19 13:11 UTCEG score recompute
  33. 2026-08-19 13:11 UTCGHSA enrichment
  34. 2026-08-18 13:48 UTCEPSS rescore
  35. 2026-08-17 14:28 UTCEG score recompute
  36. 2026-08-17 14:28 UTCGHSA enrichment
  37. 2026-08-17 13:47 UTCEPSS rescore
  38. 2026-08-17 10:16 UTCGHSA enrichment
  39. 2026-08-17 06:17 UTCGHSA enrichment
  40. 2026-08-17 02:13 UTCGHSA enrichment
  41. 2026-08-16 22:14 UTCGHSA enrichment
  42. 2026-08-16 15:00 UTCEG score recompute
  43. 2026-08-16 15:00 UTCGHSA enrichment
  44. 2026-08-16 14:56 UTCEPSS rescore
  45. 2026-08-16 11:01 UTCGHSA enrichment
  46. 2026-08-16 07:02 UTCGHSA enrichment
  47. 2026-08-16 03:04 UTCEG score recompute
  48. 2026-08-16 03:04 UTCGHSA enrichment
  49. 2026-08-16 02:14 UTCEPSS rescore
  50. 2026-08-15 23:05 UTCGHSA enrichment
  51. 2026-08-15 18:11 UTCGHSA enrichment
  52. 2026-08-15 14:12 UTCGHSA enrichment
  53. 2026-08-15 10:13 UTCGHSA enrichment
  54. 2026-08-15 04:55 UTCEG score recompute
  55. 2026-08-15 04:55 UTCGHSA enrichment
  56. 2026-08-15 01:30 UTCEPSS rescore
  57. 2026-08-15 00:55 UTCGHSA enrichment
  58. 2026-08-14 20:56 UTCGHSA enrichment
  59. 2026-08-14 16:57 UTCGHSA enrichment
  60. 2026-08-14 12:45 UTCGHSA enrichment
  61. 2026-08-14 08:46 UTCGHSA enrichment
  62. 2026-08-14 04:47 UTCGHSA enrichment
  63. 2026-08-14 00:48 UTCEG score recompute
  64. 2026-08-14 00:48 UTCGHSA enrichment
  65. 2026-08-13 22:00 UTCEPSS rescore
  66. 2026-08-13 20:49 UTCGHSA enrichment
  67. 2026-08-13 11:58 UTCGHSA enrichment
  68. 2026-08-13 07:52 UTCGHSA enrichment
  69. 2026-08-13 03:39 UTCGHSA enrichment
  70. 2026-08-12 23:40 UTCGHSA enrichment
  71. 2026-08-12 19:41 UTCGHSA enrichment
  72. 2026-08-12 15:43 UTCEG score recompute
  73. 2026-08-12 15:43 UTCGHSA enrichment
  74. 2026-08-12 13:51 UTCEPSS rescore
  75. 2026-08-12 11:28 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 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 0.4% probability of exploitation in the next 30 days (32nd percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-48881?
CVE-2026-48881 has a CVSS base score of 9.1 (the CNA's own assessment, by patchstack; NVD's own analysis pending).
How do I remediate CVE-2026-48881?
No fix for CVE-2026-48881 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-2026-48881 are linked in the Vendor Advisories panel on this page.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2026-48881

Explore →

Is Your Infrastructure Affected by CVE-2026-48881?

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

Book a Demo →Browse All CVEs