CVE-2026-3187

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

This critical-severity CVE scores 9.8 under NVD CVSS v3. EPSS exploit probability: 0.3%, top 77% of all CVEs by exploit prediction. GitHub Security Advisory enrichment pending alignment with NVD CVSS.

Triggered by: NVD CVSS baseline
Sources: epss, ghsa, nvd
Elevated
9.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 9.8Exploit: Elevated riskExposed: 0

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

A vulnerability was identified in feiyuchuixue sz-boot-parent up to 1.3.2-beta. Affected by this issue is some unknown functionality of the file /api/admin/sys-file/upload of the component API Endpoint. Such manipulation leads to unrestricted upload. The attack may be launched remotely. The exploit is publicly available and might be used. Upgrading to version 1.3.3-beta can resolve this issue. The name of the patch is aefaabfd7527188bfba3c8c9eee17c316d094802. Upgrading the affected component is recommended. The project was informed beforehand and acted very professional: "We have introduced a whitelist restriction on the /api/admin/sys-file/upload endpoint via the oss.allowedExts and oss.allowedMimeTypes configuration options, allowing the specification of permitted file extensions and MIME types for uploads."

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
60(Track)
EG Risk 60/100SSVC: 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
Severity98% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
24%
KEV
Not listed

Published

February 25, 2026

Last Modified

June 17, 2026

Advisory Details (4)

Auto-updated Sep 14, 2026
Patch available. Sources: github_commit, github_release.
generic

CVE/sz-boot-parent-Arbitrary_File_Upload.md at main · yuccun/CVE · GitHub

https://github.com/yuccun/CVE/blob/main/sz-boot-parent-Arbitrary_File_Upload.md
github_release Patch Available

v1.3.3-beta

Patch available: feiyuchuixue/sz-boot-parent v1.3.3-beta

https://github.com/feiyuchuixue/sz-boot-parent/releases/tag/v1.3.3-beta
github_commit Patch Available

commit aefaabfd7527 (feiyuchuixue/sz-boot-parent)

Patch available: feiyuchuixue/sz-boot-parent v1.3.3-beta (contains commit aefaabfd7527)

https://github.com/feiyuchuixue/sz-boot-parent/commit/aefaabfd7527188bfba3c8c9eee17c316d094802
generic

GitHub - feiyuchuixue/sz-boot-parent: Backend scaffold for Sz-Admin, built with Spring Boot 4, featuring RBAC, dynamic menus, code generation, data scope permissions, Excel import/export, OSS integration, and WebSocket support. · GitHub

https://github.com/feiyuchuixue/sz-boot-parent/

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 8× in last 7d / 28× 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 190 total refreshes for this CVE.

  1. 2026-09-19 21:30 UTCOSV refresh
  2. 2026-09-18 19:28 UTCEPSS rescore
  3. 2026-09-18 19:28 UTCEPSS rescore
  4. 2026-09-17 19:30 UTCEPSS rescore
  5. 2026-09-16 14:08 UTCEPSS rescore
  6. 2026-09-16 05:15 UTCEPSS rescore
  7. 2026-09-15 03:11 UTCEPSS rescore
  8. 2026-09-13 16:47 UTCEPSS rescore
  9. 2026-09-12 15:01 UTCEPSS rescore
  10. 2026-09-11 14:53 UTCEPSS rescore
  11. 2026-09-11 09:37 UTCEPSS rescore
  12. 2026-09-10 09:34 UTCEPSS rescore
  13. 2026-09-08 22:00 UTCEPSS rescore
  14. 2026-09-07 16:01 UTCEPSS rescore
  15. 2026-09-06 13:47 UTCEPSS rescore
  16. 2026-09-04 05:06 UTCEPSS rescore
  17. 2026-09-02 14:12 UTCEPSS rescore
  18. 2026-09-01 13:53 UTCEPSS rescore
  19. 2026-09-01 04:39 UTCEPSS rescore
  20. 2026-09-01 00:34 UTCOSV refresh
  21. 2026-08-30 19:17 UTCEPSS rescore
  22. 2026-08-30 01:22 UTCEPSS rescore
  23. 2026-08-28 21:41 UTCEPSS rescore
  24. 2026-08-27 14:25 UTCEPSS rescore
  25. 2026-08-26 14:46 UTCEPSS rescore
Show 75 more
  1. 2026-08-25 13:49 UTCEPSS rescore
  2. 2026-08-23 00:19 UTCEPSS rescore
  3. 2026-08-21 23:49 UTCEPSS rescore
  4. 2026-08-20 22:55 UTCEPSS rescore
  5. 2026-08-19 17:03 UTCEPSS rescore
  6. 2026-08-18 13:48 UTCEPSS rescore
  7. 2026-08-17 13:47 UTCEPSS rescore
  8. 2026-08-16 14:56 UTCEPSS rescore
  9. 2026-08-16 02:14 UTCEPSS rescore
  10. 2026-08-15 01:30 UTCEPSS rescore
  11. 2026-08-15 00:56 UTCGHSA enrichment
  12. 2026-08-14 21:13 UTCGHSA enrichment
  13. 2026-08-14 12:44 UTCGHSA enrichment
  14. 2026-08-14 09:01 UTCEG score recompute
  15. 2026-08-14 09:01 UTCGHSA enrichment
  16. 2026-08-13 22:00 UTCEPSS rescore
  17. 2026-08-13 04:44 UTCGHSA enrichment
  18. 2026-08-13 01:01 UTCEG score recompute
  19. 2026-08-13 01:01 UTCGHSA enrichment
  20. 2026-08-12 13:51 UTCEPSS rescore
  21. 2026-08-11 23:58 UTCEG score recompute
  22. 2026-08-11 23:58 UTCGHSA enrichment
  23. 2026-08-11 13:43 UTCEPSS rescore
  24. 2026-08-11 06:23 UTCEG score recompute
  25. 2026-08-11 06:23 UTCGHSA enrichment
  26. 2026-08-11 00:00 UTCEPSS rescore
  27. 2026-08-10 13:15 UTCGHSA enrichment
  28. 2026-08-10 08:48 UTCGHSA enrichment
  29. 2026-08-10 01:15 UTCGHSA enrichment
  30. 2026-08-09 21:28 UTCGHSA enrichment
  31. 2026-08-09 17:45 UTCGHSA enrichment
  32. 2026-08-09 13:49 UTCEG score recompute
  33. 2026-08-09 13:49 UTCGHSA enrichment
  34. 2026-08-09 13:46 UTCEPSS rescore
  35. 2026-08-09 08:40 UTCEG score recompute
  36. 2026-08-09 08:40 UTCGHSA enrichment
  37. 2026-08-08 16:37 UTCEPSS rescore
  38. 2026-08-08 11:47 UTCGHSA enrichment
  39. 2026-08-08 07:51 UTCGHSA enrichment
  40. 2026-08-08 04:08 UTCGHSA enrichment
  41. 2026-08-08 00:26 UTCGHSA enrichment
  42. 2026-08-07 20:43 UTCEG score recompute
  43. 2026-08-07 20:43 UTCGHSA enrichment
  44. 2026-08-06 13:46 UTCEPSS rescore
  45. 2026-08-06 06:44 UTCGHSA enrichment
  46. 2026-08-06 03:01 UTCEG score recompute
  47. 2026-08-06 03:01 UTCGHSA enrichment
  48. 2026-08-05 19:17 UTCEPSS rescore
  49. 2026-08-04 15:10 UTCEPSS rescore
  50. 2026-08-04 10:38 UTCEPSS rescore
  51. 2026-08-04 05:53 UTCEG score recompute
  52. 2026-08-04 05:53 UTCGHSA enrichment
  53. 2026-08-03 10:36 UTCEPSS rescore
  54. 2026-08-02 23:18 UTCGHSA enrichment
  55. 2026-08-02 19:34 UTCEG score recompute▲ 3.50
  56. 2026-08-02 19:34 UTCGHSA enrichment
  57. 2026-08-02 02:27 UTCEPSS rescore
  58. 2026-08-01 04:16 UTCEPSS rescore
  59. 2026-07-30 16:28 UTCEPSS rescore
  60. 2026-07-30 01:30 UTCEPSS rescore
  61. 2026-07-27 14:13 UTCEPSS rescore
  62. 2026-07-26 14:54 UTCEPSS rescore
  63. 2026-07-26 14:54 UTCEPSS rescore
  64. 2026-07-25 14:18 UTCEPSS rescore
  65. 2026-07-25 14:18 UTCEPSS rescore
  66. 2026-07-24 14:17 UTCEPSS rescore
  67. 2026-07-24 14:17 UTCEPSS rescore
  68. 2026-07-23 14:18 UTCEPSS rescore
  69. 2026-07-23 14:18 UTCEPSS rescore
  70. 2026-07-23 03:08 UTCEG score recompute
  71. 2026-07-22 14:08 UTCEPSS rescore
  72. 2026-07-21 15:24 UTCEPSS rescore
  73. 2026-07-20 17:08 UTCEPSS rescore
  74. 2026-07-19 14:31 UTCEPSS rescore
  75. 2026-07-19 02:29 UTCEPSS rescore

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Frequently asked(5)

What is CVE-2026-3187?
CVE-2026-3187 is a critical vulnerability published on February 25, 2026. A vulnerability was identified in feiyuchuixue sz-boot-parent up to 1.3.2-beta. Affected by this issue is some unknown functionality of the file /api/admin/sys-file/upload of the component API Endpoint. Such manipulation leads to unrestricted upload. The attack may be launched remotely. The exploit…
When was CVE-2026-3187 disclosed?
CVE-2026-3187 was first published in the National Vulnerability Database on February 25, 2026, with the most recent update on June 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-3187 actively exploited?
CVE-2026-3187 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 76.4% of all scored CVEs.
What is the CVSS score of CVE-2026-3187?
CVE-2026-3187 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2026-3187?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-3187, 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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