CVE-2026-40571

MEDIUMPre-NVD 5.35.3—
EchelonGraph scoreMEDIUM confidence

This medium-severity CVE scores 5.3 under a secondary CVSS source (NVD's own analysis pending). EPSS exploit probability: 0.2%, top 85% 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
Elevated
5.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0.4%CVSS: 5.3Exploit: Elevated riskExposed services: Not assessed

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

NamelessMC is website software for Minecraft servers. In version 2.2.4, core/classes/Misc/ProfilePostReactionContext.php only verifies that the wall post exists and does not enforce blocked/private-profile visibility. This means that authenticated low-privileged users can add reactions to private or blocking profile posts. Version 2.2.5 contains a patch.

CVSS v3
5.3
EG Score
5.3MEDIUMmedium confidence
EG Risk
40
EG Risk 40/100

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
Severity53% × 45%
Exploitation40% × 40%
Automatability0% × 15%
EPSS PROB
0.4%
EPSS %ILE
29th
KEV
Not listed

Published

June 2, 2026

Last Modified

July 21, 2026

Advisory Details (1)

Auto-updated Jun 15, 2026
🔬 Proof of concept available. No fix on record yet. Sources: github.
githubMentions a patch (unverified)🟡 PoC Available

Reactions on private or blocking profile posts can be modified without proper authorization · Advisory · NamelessMC/Nameless · GitHub

https://github.com/NamelessMC/Nameless/security/advisories/GHSA-47hr-jj6c-rqf9

Weakness Classification(1)

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

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 156 total refreshes for this CVE.

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

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Frequently asked(5)

What is CVE-2026-40571?
CVE-2026-40571 is a medium vulnerability published on June 2, 2026. NamelessMC is website software for Minecraft servers. In version 2.2.4, core/classes/Misc/ProfilePostReactionContext.php only verifies that the wall post exists and does not enforce blocked/private-profile visibility. This means that authenticated low-privileged users can add reactions to private…
When was CVE-2026-40571 disclosed?
CVE-2026-40571 was first published on June 2, 2026, with the most recent update on July 21, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-40571 actively exploited?
CVE-2026-40571 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.4% probability of exploitation in the next 30 days (29th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-40571?
CVE-2026-40571 has a CVSS base score of 5.3 (a secondary CVSS source that NVD displays; NVD's own analysis pending).
How do I remediate CVE-2026-40571?
No fix for CVE-2026-40571 is confirmed yet. Until one is published, restrict network exposure of the affected system or apply the vendor's mitigation — for example, keep it off the internet or limit it to trusted networks — and watch the vendor's advisory for the fix.

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