CVE-2026-40960

HIGHNVD 8.18.1—
EchelonGraph scoreMEDIUM confidence

Score 8.1 from GitHub Security Advisory (severity: HIGH) published 2026-04-16. NVD baseline CVSS 8.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
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

A fix is available — apply it.

Luanti 5 before 5.15.2 sometimes allows unintended access to an insecure environment. If at least one mod is listed as secure.trusted_mods or secure.http_mods, then a crafted mod can intercept the request for the insecure environment or HTTP API, and also receive access to it.

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
7%
KEV
Not listed

Published

April 16, 2026

Last Modified

April 17, 2026

Advisory Details (3)

Auto-updated Jun 3, 2026
Patch available. Sources: github_commit, github.
github Patch Available

HTTP API and insecure environment access control bypass · Advisory · luanti-org/luanti · GitHub

https://github.com/luanti-org/luanti/security/advisories/GHSA-22c4-238c-m5j4
github_commit

commit 827fd4cf7f98 (luanti-org/luanti)

Fix landed in luanti-org/luanti commit 827fd4cf7f98 — awaiting tagged release

https://github.com/luanti-org/luanti/commit/827fd4cf7f989482b2dad381fa4afd642ea73e8c
github_commit

commit 0faf529bc4b8 (luanti-org/luanti)

Fix landed in luanti-org/luanti commit 0faf529bc4b8 — awaiting tagged release

https://github.com/luanti-org/luanti/commit/0faf529bc4b89e70a275ed1162047815118f2413

Patch Availability(1)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntuminetest-server (5.10.0+dfsg-5+deb13u1build0.26.04.1) @ resolute2026-06-14ubuntu

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(2 across 2 ecosystems)
Debian:13(1)
PackageVulnerable rangeFixed inDependents
luanti5.10.0+dfsg-55.10.0+dfsg-5+deb13u1—
Debian:14(1)
PackageVulnerable rangeFixed inDependents
luanti5.10.0+dfsg-5 ... 5.15.1+dfsg-2 (6 versions)5.15.2+dfsg-1—

Weakness Classification(1)

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

All Vendor Advisories

(1)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 7× in last 7d / 26× 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 227 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-40960?
CVE-2026-40960 is a high vulnerability published on April 16, 2026. Luanti 5 before 5.15.2 sometimes allows unintended access to an insecure environment. If at least one mod is listed as secure.trustedmods or secure.httpmods, then a crafted mod can intercept the request for the insecure environment or HTTP API, and also receive access to it.
When was CVE-2026-40960 disclosed?
CVE-2026-40960 was first published in the National Vulnerability Database on April 16, 2026, with the most recent update on April 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-40960 actively exploited?
CVE-2026-40960 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 93.1% of all scored CVEs.
What is the CVSS score of CVE-2026-40960?
CVE-2026-40960 has a CVSS v3 base score of 8.1 (NVD).
How do I remediate CVE-2026-40960?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-40960, 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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