CVE-2026-18188

HIGHNVD 8.18.1—
EchelonGraph scoreHIGH confidence

Score 8.1 from GitHub Security Advisory (severity: HIGH) published 2026-07-30. NVD baseline CVSS 8.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Trending — 3 sources updated this week
8.1EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 8.1Exploit: None knownExposed: 0

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

A format string vulnerability was found in the Rsync Backup on the ADM. The vulnerability occurs because user-controlled rsync backup configuration or log data may be processed through an unsafe format string operation. An authenticated attacker can exploit this issue to disclose memory information or cause denial of service of the affected backup component. Affected products and versions include: from ADM 4.1.0 through ADM 4.3.3.RUN1 as well as from ADM 5.0.0 through ADM 5.1.3.RI81.

CVSS v3
8.1
EG Score
8.1(high)
EG Risk
37(Track)
EG Risk 37/100SSVC: 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
Severity81% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
18%
KEV
Not listed

Published

July 30, 2026

Last Modified

August 4, 2026

Advisory Details (1)

Auto-updated Jul 30, 2026
No patch confirmed yet.
generic

AS-2026-018: ADM | ASUSTOR NAS

https://www.asustor.com/security/security_advisory_detail?id=67

Vendor Advisories for CVE-2026-18188(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 25× in last 7d / 111× 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 111 total refreshes for this CVE.

  1. 2026-08-26 01:02 UTCEG score recompute
  2. 2026-08-26 01:02 UTCGHSA enrichment
  3. 2026-08-25 13:48 UTCEPSS rescore
  4. 2026-08-25 12:10 UTCGHSA enrichment
  5. 2026-08-24 23:19 UTCEG score recompute
  6. 2026-08-24 23:19 UTCGHSA enrichment
  7. 2026-08-24 10:27 UTCEG score recompute
  8. 2026-08-24 10:27 UTCGHSA enrichment
  9. 2026-08-23 21:36 UTCGHSA enrichment
  10. 2026-08-23 08:45 UTCEG score recompute
  11. 2026-08-23 08:44 UTCGHSA enrichment
  12. 2026-08-23 00:19 UTCEPSS rescore
  13. 2026-08-22 19:52 UTCGHSA enrichment
  14. 2026-08-22 07:00 UTCEG score recompute
  15. 2026-08-22 07:00 UTCGHSA enrichment
  16. 2026-08-21 23:49 UTCEPSS rescore
  17. 2026-08-21 18:09 UTCGHSA enrichment
  18. 2026-08-21 05:18 UTCEG score recompute
  19. 2026-08-21 05:18 UTCGHSA enrichment
  20. 2026-08-20 22:55 UTCEPSS rescore
  21. 2026-08-20 16:27 UTCGHSA enrichment
  22. 2026-08-20 03:36 UTCEG score recompute
  23. 2026-08-20 03:36 UTCGHSA enrichment
  24. 2026-08-19 17:03 UTCEPSS rescore
  25. 2026-08-19 14:44 UTCGHSA enrichment
Show 75 more
  1. 2026-08-19 01:52 UTCEG score recompute
  2. 2026-08-19 01:52 UTCGHSA enrichment
  3. 2026-08-18 13:48 UTCEPSS rescore
  4. 2026-08-18 12:55 UTCGHSA enrichment
  5. 2026-08-17 23:47 UTCEG score recompute
  6. 2026-08-17 23:47 UTCGHSA enrichment
  7. 2026-08-17 13:47 UTCEPSS rescore
  8. 2026-08-17 10:55 UTCGHSA enrichment
  9. 2026-08-16 22:04 UTCEG score recompute
  10. 2026-08-16 22:04 UTCGHSA enrichment
  11. 2026-08-16 14:56 UTCEPSS rescore
  12. 2026-08-16 09:13 UTCEG score recompute
  13. 2026-08-16 09:13 UTCGHSA enrichment
  14. 2026-08-16 02:14 UTCEPSS rescore
  15. 2026-08-15 20:22 UTCGHSA enrichment
  16. 2026-08-15 07:31 UTCEG score recompute
  17. 2026-08-15 07:31 UTCGHSA enrichment
  18. 2026-08-15 01:30 UTCEPSS rescore
  19. 2026-08-14 18:40 UTCGHSA enrichment
  20. 2026-08-14 05:44 UTCEG score recompute
  21. 2026-08-14 05:44 UTCGHSA enrichment
  22. 2026-08-13 22:00 UTCEPSS rescore
  23. 2026-08-13 16:53 UTCGHSA enrichment
  24. 2026-08-13 04:02 UTCGHSA enrichment
  25. 2026-08-12 15:11 UTCEG score recompute
  26. 2026-08-12 15:10 UTCGHSA enrichment
  27. 2026-08-12 13:50 UTCEPSS rescore
  28. 2026-08-12 02:19 UTCEG score recompute
  29. 2026-08-12 02:19 UTCGHSA enrichment
  30. 2026-08-11 13:42 UTCEPSS rescore
  31. 2026-08-11 13:28 UTCGHSA enrichment
  32. 2026-08-11 00:36 UTCEG score recompute
  33. 2026-08-11 00:36 UTCGHSA enrichment
  34. 2026-08-11 00:00 UTCEPSS rescore
  35. 2026-08-10 11:45 UTCGHSA enrichment
  36. 2026-08-09 22:54 UTCEG score recompute
  37. 2026-08-09 22:54 UTCGHSA enrichment
  38. 2026-08-09 13:46 UTCEPSS rescore
  39. 2026-08-09 10:03 UTCGHSA enrichment
  40. 2026-08-08 21:12 UTCEG score recompute
  41. 2026-08-08 21:12 UTCGHSA enrichment
  42. 2026-08-08 16:37 UTCEPSS rescore
  43. 2026-08-08 08:20 UTCGHSA enrichment
  44. 2026-08-07 19:29 UTCEG score recompute
  45. 2026-08-07 19:29 UTCGHSA enrichment
  46. 2026-08-07 06:38 UTCGHSA enrichment
  47. 2026-08-06 17:47 UTCEG score recompute
  48. 2026-08-06 17:47 UTCGHSA enrichment
  49. 2026-08-06 13:46 UTCEPSS rescore
  50. 2026-08-06 04:55 UTCEG score recompute
  51. 2026-08-06 04:55 UTCGHSA enrichment
  52. 2026-08-05 19:17 UTCEPSS rescore
  53. 2026-08-05 16:04 UTCGHSA enrichment
  54. 2026-08-05 03:13 UTCEG score recompute
  55. 2026-08-05 03:13 UTCGHSA enrichment
  56. 2026-08-04 15:10 UTCEPSS rescore
  57. 2026-08-04 14:18 UTCEG score recompute▲ 1.00
  58. 2026-08-04 14:18 UTCGHSA enrichment
  59. 2026-08-04 14:17 UTCNVD updateCVSS v3 → 8.1
  60. 2026-08-04 10:38 UTCEPSS rescore
  61. 2026-08-04 09:29 UTCEG score recompute
  62. 2026-08-04 09:29 UTCGHSA enrichment
  63. 2026-08-04 08:19 UTCEG score recompute
  64. 2026-08-04 08:19 UTCGHSA enrichment
  65. 2026-08-03 23:38 UTCGHSA enrichment
  66. 2026-08-03 10:46 UTCEG score recompute
  67. 2026-08-03 10:46 UTCGHSA enrichment
  68. 2026-08-03 10:35 UTCEPSS rescore
  69. 2026-08-02 21:51 UTCGHSA enrichment
  70. 2026-08-02 09:00 UTCEG score recompute
  71. 2026-08-02 09:00 UTCGHSA enrichment
  72. 2026-08-02 02:26 UTCEPSS rescore
  73. 2026-08-01 20:08 UTCGHSA enrichment
  74. 2026-08-01 07:17 UTCEG score recompute
  75. 2026-08-01 07:17 UTCGHSA enrichment

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-18188?
CVE-2026-18188 is a high vulnerability published on July 30, 2026. A format string vulnerability was found in the Rsync Backup on the ADM. The vulnerability occurs because user-controlled rsync backup configuration or log data may be processed through an unsafe format string operation. An authenticated attacker can exploit this issue to disclose memory information…
When was CVE-2026-18188 disclosed?
CVE-2026-18188 was first published in the National Vulnerability Database on July 30, 2026, with the most recent update on August 4, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-18188 actively exploited?
CVE-2026-18188 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 82.0% of all scored CVEs.
What is the CVSS score of CVE-2026-18188?
CVE-2026-18188 has a CVSS v3 base score of 8.1 (NVD).
How do I remediate CVE-2026-18188?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-18188, 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.

Dependency Blast Radius

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