CVE-2026-59260

HIGHPre-NVD 8.88.8—
EchelonGraph scoreMEDIUM confidence

Score 8.8 from GitHub Security Advisory (severity: HIGH) published 2026-07-12. the CNA's CVSS baseline 8.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cna:vulncheck, epss, ghsa
Trending — 3 sources updated this weekElevated
8.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 8.8Exploit: Elevated riskExposed: 0

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

OpenWrt luci-app-samba4 read ACL grants file.exec permission on /usr/sbin/smbd, allowing authenticated delegated users to execute the Samba daemon with caller-controlled command-line arguments. Attackers can pass arbitrary Samba global options such as message command to a root smbd process, triggering command execution when SMB protocol messages are processed.

CVSS v3
8.8
EG Score
8.8(medium)
EG Risk
56(Track*)
EG Risk 56/100SSVC: 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
Severity88% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Watch closely — could escalate to Attend.
EPSS PROB
1%
EPSS %ILE
50%
KEV
Not listed

Published

July 12, 2026

Last Modified

July 14, 2026

Advisory Details (2)

Auto-updated Jul 12, 2026
🔬 Proof of concept available. Patch available. Sources: github.
generic

OpenWrt luci-app-samba4 read ACL remote code execution via smbd | Advisories | VulnCheck

https://www.vulncheck.com/advisories/openwrt-luci-app-samba4-read-acl-remote-code-execution-via-smbd
github Patch Available🟡 PoC Available

luci-app-samba4 read ACL allows authenticated root command execution via smbd file.exec · Advisory · openwrt/luci · GitHub

https://github.com/openwrt/luci/security/advisories/GHSA-vx64-mmp7-h36c

Vendor Advisories for CVE-2026-59260(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 22× in last 7d / 112× 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 167 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-59260?
CVE-2026-59260 is a high vulnerability published on July 12, 2026. OpenWrt luci-app-samba4 read ACL grants file.exec permission on /usr/sbin/smbd, allowing authenticated delegated users to execute the Samba daemon with caller-controlled command-line arguments. Attackers can pass arbitrary Samba global options such as message command to a root smbd process,…
When was CVE-2026-59260 disclosed?
CVE-2026-59260 was first published in the National Vulnerability Database on July 12, 2026, with the most recent update on July 14, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-59260 actively exploited?
CVE-2026-59260 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 50.4% of all scored CVEs.
What is the CVSS score of CVE-2026-59260?
CVE-2026-59260 has a CVSS v4.0 base score of 8.8 (CNA self-assessment; NVD's own analysis pending).
How do I remediate CVE-2026-59260?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-59260, 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

Explore the affected products and dependency analysis for CVE-2026-59260

Explore →

Is Your Infrastructure Affected by CVE-2026-59260?

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

Start Free Scan →Browse All CVEs