CVE-2026-9581

MEDIUMNVD 6.36.3—
EchelonGraph scoreMEDIUM confidence

Score 6.3 from GitHub Security Advisory (severity: LOW) published 2026-05-26. NVD baseline CVSS 6.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Elevated
6.3
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 6.3Exploit: NoneExposed: 0

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

A vulnerability was identified in JeecgBoot up to 3.9.1. The impacted element is an unknown function of the file /sys/comment/add. Such manipulation leads to improper access controls. The attack can be executed remotely. The exploit is publicly available and might be used. Upgrading to version 3.9.2 is sufficient to resolve this issue. Upgrading the affected component is recommended.

CVSS v3
6.3
EG Score
6.3(medium)
EPSS
11.1%
KEV
Not listed

Published

May 26, 2026

Last Modified

May 28, 2026

Advisory Details (4)

Auto-updated Jun 15, 2026
Patch available. Sources: github_release.
generic

/sys/comment/add缺少权限注解 · Issue #9598 · jeecgboot/JeecgBoot · GitHub

https://github.com/jeecgboot/JeecgBoot/issues/9598#issuecomment-4385719753
github_release Patch Available

v3.9.2

Patch available: jeecgboot/JeecgBoot v3.9.2

https://github.com/jeecgboot/JeecgBoot/releases/tag/v3.9.2
generic

/sys/comment/add缺少权限注解 · Issue #9598 · jeecgboot/JeecgBoot · GitHub

https://github.com/jeecgboot/JeecgBoot/issues/9598
generic

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https://github.com/jeecgboot/JeecgBoot/

Vendor Advisories for CVE-2026-9581(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(2)

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

Data Freshness Timeline

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

Frequently asked(5)

What is CVE-2026-9581?
CVE-2026-9581 is a medium vulnerability published on May 26, 2026. A vulnerability was identified in JeecgBoot up to 3.9.1. The impacted element is an unknown function of the file /sys/comment/add. Such manipulation leads to improper access controls. The attack can be executed remotely. The exploit is publicly available and might be used. Upgrading to version…
When was CVE-2026-9581 disclosed?
CVE-2026-9581 was first published in the National Vulnerability Database on May 26, 2026, with the most recent update on May 28, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-9581 actively exploited?
CVE-2026-9581 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 11.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-9581?
CVE-2026-9581 has a CVSS v3 base score of 6.3 (NVD).
How do I remediate CVE-2026-9581?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-9581, 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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