CVE-2026-8741

LOWNVD 3.13.1—
EchelonGraph scoreMEDIUM confidence

Score 3.1 from GitHub Security Advisory (severity: LOW) published 2026-05-17. NVD baseline CVSS 3.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Elevated
3.1
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 3.1Exploit: NoneExposed: 0

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

A vulnerability has been found in EMQX up to 6.2.0. This affects an unknown function of the file apps/emqx/src/emqx_persistent_session_ds.erl of the component QoS 2 PUBLISH Packet Handler. Such manipulation leads to race condition. The attack may be performed from remote. A high complexity level is associated with this attack. The exploitability is reported as difficult. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure.

CVSS v3
3.1
EG Score
3.1(medium)
EPSS
20.1%
KEV
Not listed

Published

May 17, 2026

Last Modified

May 20, 2026

References (5)

Vendor Advisories for CVE-2026-8741(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 7× in last 7d / 40× 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.

  1. 2026-07-13 22:31 UTCEPSS rescore
  2. 2026-07-13 06:13 UTCEPSS rescore
  3. 2026-07-12 05:46 UTCEPSS rescore
  4. 2026-07-11 08:27 UTCEPSS rescore
  5. 2026-07-09 19:10 UTCEPSS rescore
  6. 2026-07-08 15:16 UTCEPSS rescore
  7. 2026-07-07 13:46 UTCEPSS rescore
  8. 2026-07-06 16:27 UTCEPSS rescore
  9. 2026-07-06 16:27 UTCEPSS rescore
  10. 2026-07-06 02:23 UTCEPSS rescore
  11. 2026-07-06 02:23 UTCEPSS rescore
  12. 2026-07-05 02:31 UTCEPSS rescore
  13. 2026-07-05 02:30 UTCEPSS rescore
  14. 2026-07-04 06:31 UTCEPSS rescore
  15. 2026-07-04 06:31 UTCEPSS rescore
  16. 2026-07-01 15:07 UTCEPSS rescore
  17. 2026-06-30 23:22 UTCEPSS rescore
  18. 2026-06-29 21:14 UTCEG score recompute
  19. 2026-06-29 21:14 UTCGHSA enrichment
  20. 2026-06-29 14:06 UTCEPSS rescore
  21. 2026-06-28 14:07 UTCEPSS rescore
  22. 2026-06-28 04:56 UTCEPSS rescore
  23. 2026-06-27 03:08 UTCEPSS rescore
  24. 2026-06-25 18:32 UTCEG score recompute
  25. 2026-06-25 18:32 UTCGHSA enrichment
Show 51 more
  1. 2026-06-25 13:50 UTCEPSS rescore
  2. 2026-06-24 14:05 UTCEPSS rescore
  3. 2026-06-23 21:33 UTCEPSS rescore
  4. 2026-06-22 14:25 UTCEPSS rescore
  5. 2026-06-21 14:56 UTCEPSS rescore
  6. 2026-06-21 01:59 UTCEPSS rescore
  7. 2026-06-19 19:26 UTCEPSS rescore
  8. 2026-06-18 17:52 UTCEPSS rescore
  9. 2026-06-17 17:53 UTCEPSS rescore
  10. 2026-06-16 17:53 UTCEPSS rescore
  11. 2026-06-16 00:42 UTCEG score recompute
  12. 2026-06-16 00:42 UTCGHSA enrichment
  13. 2026-06-15 17:49 UTCEPSS rescore
  14. 2026-06-15 17:49 UTCEPSS rescore
  15. 2026-06-14 23:18 UTCEPSS rescore
  16. 2026-06-13 23:00 UTCEPSS rescore
  17. 2026-06-13 01:37 UTCEG score recompute
  18. 2026-06-13 01:37 UTCGHSA enrichment
  19. 2026-06-12 23:12 UTCEPSS rescore
  20. 2026-06-12 23:12 UTCEPSS rescore
  21. 2026-06-11 14:00 UTCEPSS rescore
  22. 2026-06-10 22:19 UTCEPSS rescore
  23. 2026-06-10 13:22 UTCEPSS rescore
  24. 2026-06-10 02:34 UTCEG score recompute
  25. 2026-06-10 02:34 UTCGHSA enrichment
  26. 2026-06-08 14:17 UTCEPSS rescore
  27. 2026-06-07 15:25 UTCEPSS rescore
  28. 2026-06-07 03:30 UTCEG score recompute
  29. 2026-06-07 03:30 UTCGHSA enrichment
  30. 2026-06-06 13:47 UTCEPSS rescore
  31. 2026-06-05 22:47 UTCEPSS rescore
  32. 2026-06-05 06:10 UTCEPSS rescore
  33. 2026-06-04 13:12 UTCEPSS rescore
  34. 2026-06-04 04:26 UTCEG score recompute
  35. 2026-06-04 04:26 UTCGHSA enrichment
  36. 2026-06-02 20:13 UTCEPSS rescore
  37. 2026-06-01 13:52 UTCEPSS rescore
  38. 2026-06-01 05:22 UTCEG score recompute
  39. 2026-06-01 05:22 UTCGHSA enrichment
  40. 2026-05-31 22:30 UTCEPSS rescore
  41. 2026-05-31 00:16 UTCEPSS rescore
  42. 2026-05-29 13:44 UTCEPSS rescore
  43. 2026-05-28 13:44 UTCEPSS rescore
  44. 2026-05-27 13:40 UTCEPSS rescore
  45. 2026-05-26 13:44 UTCEPSS rescore
  46. 2026-05-26 07:18 UTCEPSS rescore
  47. 2026-05-21 22:43 UTCEPSS rescore
  48. 2026-05-20 22:38 UTCEPSS rescore
  49. 2026-05-20 11:53 UTCEG score recompute
  50. 2026-05-20 11:53 UTCGHSA enrichment
  51. 2026-05-20 11:22 UTCEPSS rescore

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-8741?
CVE-2026-8741 is a low vulnerability published on May 17, 2026. A vulnerability has been found in EMQX up to 6.2.0. This affects an unknown function of the file apps/emqx/src/emqxpersistentsession_ds.erl of the component QoS 2 PUBLISH Packet Handler. Such manipulation leads to race condition. The attack may be performed from remote. A high complexity level is…
When was CVE-2026-8741 disclosed?
CVE-2026-8741 was first published in the National Vulnerability Database on May 17, 2026, with the most recent update on May 20, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-8741 actively exploited?
CVE-2026-8741 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 20.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-8741?
CVE-2026-8741 has a CVSS v3 base score of 3.1 (NVD).
How do I remediate CVE-2026-8741?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-8741, 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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