CVE-2026-12686

CRITICALPre-NVD 9.39.3—
EchelonGraph scoreMEDIUM confidence

This critical-severity CVE scores 9.3 under a secondary CVSS source (NVD's own analysis pending). EPSS exploit probability: 0.4%, top 70% 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 — 3 sources updated this week
9.3EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 9.3Exploit: None knownExposed: 0

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

An authenticated user could manipulate a company ID parameter in a POST request to the backend to gain unauthorised access to other companies hosted within the same subdomain environment. The application does not adequately verify whether the requested company ID belongs to the authenticated user’s session, resulting in a cross-tenant authorisation bypass. If this vulnerability is successfully exploited, it allows unauthorised access to sensitive customer information, including billing data, and may enable the unauthorised modification of third-party data.

CVSS v3
9.3
EG Score
9.3(medium)
EG Risk
42(Track)
EG Risk 42/100SSVC: 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
Severity93% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
30%
KEV
Not listed

Published

July 6, 2026

Last Modified

July 6, 2026

Advisory Details (1)

Auto-updated Aug 25, 2026
No patch confirmed yet.
generic

Incorrect authorisation in Adiss’s Biloop | INCIBE-CERT | INCIBE

https://www.incibe.es/en/incibe-cert/notices/aviso/incorrect-authorisation-adisss-biloop

Vendor Advisories for CVE-2026-12686(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 40× in last 7d / 204× 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 304 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-12686?
CVE-2026-12686 is a critical vulnerability published on July 6, 2026. An authenticated user could manipulate a company ID parameter in a POST request to the backend to gain unauthorised access to other companies hosted within the same subdomain environment. The application does not adequately verify whether the requested company ID belongs to the authenticated user’s…
When was CVE-2026-12686 disclosed?
CVE-2026-12686 was first published in the National Vulnerability Database on July 6, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-12686 actively exploited?
CVE-2026-12686 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 70.0% of all scored CVEs.
What is the CVSS score of CVE-2026-12686?
CVE-2026-12686 has a CVSS v3 base score of 9.3 (NVD).
How do I remediate CVE-2026-12686?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-12686, 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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