CVE-2026-41013

HIGHPre-NVD 8.18.1—
EchelonGraph scoreMEDIUM confidence

Score 8.1 from GitHub Security Advisory (severity: HIGH) published 2026-06-01. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 8.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
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.

Input validation bypass in SMB volume mount handling in CloudFoundry Foundation diego-release allows low-privileged CF space developer to inject arbitrary kernel CIFS mount options via bypassing the mount-option allowlist, enabling privilege escalation and security control bypass on multi-tenant Diego cells.

Affected versions: smb-volume-release: All versions prior to v3.60.0 CF Deployment: All versions prior to v56.0.0

CVSS v3
8.1
EG Score
8.1(medium)
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
15%
KEV
Not listed

Published

June 1, 2026

Last Modified

July 22, 2026

Advisory Details (1)

Auto-updated Jun 3, 2026
No patch confirmed yet.
generic

CVE-2026-41013 - Tenant-controlled comma smuggles arbitrary CIFS mount options | Cloud Foundry

https://www.cloudfoundry.org/blog/cve-2026-41013-tenant-controlled-comma-smuggles-arbitrary-cifs-mount-options/

Vendor Advisories for CVE-2026-41013(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 9× in last 7d / 36× 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 237 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-41013?
CVE-2026-41013 is a high vulnerability published on June 1, 2026. Input validation bypass in SMB volume mount handling in CloudFoundry Foundation diego-release allows low-privileged CF space developer to inject arbitrary kernel CIFS mount options via bypassing the mount-option allowlist, enabling privilege escalation and security control bypass on multi-tenant…
When was CVE-2026-41013 disclosed?
CVE-2026-41013 was first published in the National Vulnerability Database on June 1, 2026, with the most recent update on July 22, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-41013 actively exploited?
CVE-2026-41013 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 85.0% of all scored CVEs.
What is the CVSS score of CVE-2026-41013?
CVE-2026-41013 has a CVSS v3.1 base score of 8.1 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-41013?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-41013, 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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