CVE-2026-13611

MEDIUMPre-NVD 5.35.3—
EchelonGraph scoreMEDIUM confidence

Score 5.3 from GitHub Security Advisory published 2026-09-01. A secondary CVSS source baseline 5.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
5.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0.2%CVSS: 5.3Exploit: None knownExposed services: Not assessed

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

The KiviCare WordPress plugin before 4.5.5 does not perform authorization checks on some of its REST endpoints, allowing unauthenticated attackers to disclose the patient roster and, when a payment gateway is configured, the payment gateway secret key.

CVSS v3
5.3
EG Score
5.3MEDIUMmedium confidence
EG Risk
39
EG Risk 39/100CISA SSVC

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
Severity53% × 45%
Exploitation0% × 40%
Automatability100% × 15%
CISA SSVC: Track at low or medium mission impact; Attend at high (mission-essential systems).
Action: No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines at low or medium mission impact and sooner than that at high, and watch the vendor's advisory for the fix.
EPSS PROB
0.2%
EPSS %ILE
8th
KEV
Not listed

CISA SSVCTrack at low or medium mission impact; Attend at high (mission-essential systems).

No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines at low or medium mission impact and sooner than that at high, and watch the vendor's advisory for the fix.

Exploitation none (CISA Vulnrichment) · Automatable yes (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

September 1, 2026

Last Modified

September 1, 2026

Advisory Details (1)

Auto-updated Sep 1, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available

KiviCare – Clinic & Patient Management System (EHR) < 4.5.5 – Unauthenticated Patient Data Disclosure | CVE 2026-13611 | Plugin Vulnerabilities

https://wpscan.com/vulnerability/b3f986c8-fa7f-4115-9f33-7e74180256f1/

Vendor Advisories for CVE-2026-13611(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 19× in last 7d / 81× 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.

  1. 2026-10-04 23:21 UTCEPSS rescore
  2. 2026-10-04 18:16 UTCGHSA enrichment
  3. 2026-10-03 20:12 UTCEG score recompute
  4. 2026-10-03 20:12 UTCGHSA enrichment
  5. 2026-10-03 14:25 UTCEPSS rescore
  6. 2026-10-02 22:20 UTCEG score recompute
  7. 2026-10-02 22:20 UTCGHSA enrichment
  8. 2026-10-02 00:34 UTCEG score recompute
  9. 2026-10-02 00:34 UTCGHSA enrichment
  10. 2026-10-01 19:49 UTCEPSS rescore
  11. 2026-10-01 02:11 UTCEG score recompute
  12. 2026-10-01 02:11 UTCGHSA enrichment
  13. 2026-09-30 15:02 UTCEPSS rescore
  14. 2026-09-30 04:17 UTCEG score recompute
  15. 2026-09-30 04:16 UTCGHSA enrichment
  16. 2026-09-29 15:20 UTCEPSS rescore
  17. 2026-09-29 06:26 UTCEG score recompute
  18. 2026-09-29 06:26 UTCGHSA enrichment
  19. 2026-09-28 13:51 UTCEPSS rescore
  20. 2026-09-28 08:41 UTCEG score recompute
  21. 2026-09-28 08:41 UTCGHSA enrichment
  22. 2026-09-27 13:47 UTCEPSS rescore
  23. 2026-09-27 10:55 UTCEG score recompute
  24. 2026-09-27 10:55 UTCGHSA enrichment
  25. 2026-09-26 15:58 UTCEPSS rescore
Show 73 more
  1. 2026-09-26 12:51 UTCEG score recompute
  2. 2026-09-26 12:50 UTCGHSA enrichment
  3. 2026-09-25 13:08 UTCGHSA enrichment
  4. 2026-09-24 15:22 UTCEG score recompute
  5. 2026-09-24 15:22 UTCGHSA enrichment
  6. 2026-09-23 17:17 UTCEG score recompute
  7. 2026-09-23 17:17 UTCGHSA enrichment
  8. 2026-09-23 13:47 UTCEPSS rescore
  9. 2026-09-22 19:20 UTCEG score recompute
  10. 2026-09-22 19:20 UTCGHSA enrichment
  11. 2026-09-21 21:32 UTCEG score recompute
  12. 2026-09-21 21:32 UTCGHSA enrichment
  13. 2026-09-20 23:46 UTCEG score recompute
  14. 2026-09-20 23:46 UTCGHSA enrichment
  15. 2026-09-20 20:15 UTCEPSS rescore
  16. 2026-09-20 01:59 UTCEG score recompute
  17. 2026-09-20 01:59 UTCGHSA enrichment
  18. 2026-09-19 04:13 UTCEG score recompute
  19. 2026-09-19 04:13 UTCGHSA enrichment
  20. 2026-09-18 19:27 UTCEPSS rescore
  21. 2026-09-18 06:27 UTCEG score recompute
  22. 2026-09-18 06:27 UTCGHSA enrichment
  23. 2026-09-17 08:41 UTCEG score recompute
  24. 2026-09-17 08:41 UTCGHSA enrichment
  25. 2026-09-16 10:55 UTCEG score recompute
  26. 2026-09-16 10:55 UTCGHSA enrichment
  27. 2026-09-16 05:14 UTCEPSS rescore
  28. 2026-09-15 13:09 UTCEG score recompute
  29. 2026-09-15 13:09 UTCGHSA enrichment
  30. 2026-09-14 15:23 UTCGHSA enrichment
  31. 2026-09-13 17:34 UTCEG score recompute
  32. 2026-09-13 17:34 UTCGHSA enrichment
  33. 2026-09-13 16:46 UTCEPSS rescore
  34. 2026-09-12 19:48 UTCEG score recompute
  35. 2026-09-12 19:48 UTCGHSA enrichment
  36. 2026-09-12 15:00 UTCEPSS rescore
  37. 2026-09-11 22:02 UTCEG score recompute
  38. 2026-09-11 22:02 UTCGHSA enrichment
  39. 2026-09-11 14:52 UTCEPSS rescore
  40. 2026-09-11 09:36 UTCEPSS rescore
  41. 2026-09-11 00:16 UTCEG score recompute
  42. 2026-09-11 00:16 UTCGHSA enrichment
  43. 2026-09-10 09:34 UTCEPSS rescore
  44. 2026-09-10 02:30 UTCGHSA enrichment
  45. 2026-09-09 04:43 UTCEG score recompute
  46. 2026-09-09 04:43 UTCGHSA enrichment
  47. 2026-09-08 22:00 UTCEPSS rescore
  48. 2026-09-08 06:45 UTCEG score recompute
  49. 2026-09-08 06:45 UTCGHSA enrichment
  50. 2026-09-07 16:01 UTCEPSS rescore
  51. 2026-09-07 08:59 UTCEG score recompute
  52. 2026-09-07 08:59 UTCGHSA enrichment
  53. 2026-09-06 13:47 UTCEPSS rescore
  54. 2026-09-06 11:07 UTCEG score recompute
  55. 2026-09-06 11:06 UTCGHSA enrichment
  56. 2026-09-05 13:20 UTCGHSA enrichment
  57. 2026-09-04 15:35 UTCEG score recompute
  58. 2026-09-04 15:35 UTCGHSA enrichment
  59. 2026-09-04 05:06 UTCEPSS rescore
  60. 2026-09-03 17:48 UTCGHSA enrichment
  61. 2026-09-02 20:00 UTCEG score recompute
  62. 2026-09-02 20:00 UTCGHSA enrichment
  63. 2026-09-02 14:11 UTCEPSS rescore
  64. 2026-09-01 20:59 UTCEG score recompute
  65. 2026-09-01 20:59 UTCGHSA enrichment
  66. 2026-09-01 13:53 UTCEPSS rescore
  67. 2026-09-01 13:42 UTCEG score recompute
  68. 2026-09-01 13:42 UTCGHSA enrichment
  69. 2026-09-01 12:49 UTCEG score recompute
  70. 2026-09-01 12:49 UTCGHSA enrichment
  71. 2026-09-01 08:19 UTCEG score recompute
  72. 2026-09-01 07:48 UTCEG score recompute
  73. 2026-09-01 07:47 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-13611?
CVE-2026-13611 is a medium vulnerability published on September 1, 2026. The KiviCare WordPress plugin before 4.5.5 does not perform authorization checks on some of its REST endpoints, allowing unauthenticated attackers to disclose the patient roster and, when a payment gateway is configured, the payment gateway secret key.
When was CVE-2026-13611 disclosed?
CVE-2026-13611 was first published on September 1, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-13611 actively exploited?
CVE-2026-13611 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.2% probability of exploitation in the next 30 days (8th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-13611?
CVE-2026-13611 has a CVSS base score of 5.3 (a secondary CVSS source that NVD displays; NVD's own analysis pending).
How do I remediate CVE-2026-13611?
No fix for CVE-2026-13611 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-2026-13611 are linked in the Vendor Advisories panel on this page.

Dependency Blast Radius

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