CVE-2026-3813

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

This critical-severity CVE scores 9.8 under NVD CVSS v3. EPSS exploit probability: 0.4%, top 71% 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 opencc JFlow up to 5badc00db382d7cb82dad231e6a866b18e0addfe. Affected by this vulnerability is the function Calculate of the file src/main/java/bp/wf/httphandler/WF_CCForm.java. Such manipulation leads to injection. The attack may be performed from remote. The exploit is publicly available and might be used. This product utilizes a rolling release system for continuous delivery, and as such, version information for affected or updated releases is not disclosed. The project was informed of the problem early through an issue report but has not responded yet.

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
30%
KEV
Not listed

Published

March 9, 2026

Last Modified

June 17, 2026

Advisory Details (2)

Auto-updated Sep 14, 2026
No patch confirmed yet.
generic

[Vulnerability]An RCE vulnerability exists in the dtlImp_Save method of the latest version · Issue #IE8R2F · 济南驰骋公司/JFlow - Gitee.com

https://gitee.com/opencc/JFlow/issues/IE8R2F
generic

JFlow: 大浪淘沙，驰骋依旧在，经典永流传。研发20年，驰骋低代码开发平台=流程引擎+表单引擎+组织结构+门户权限+菜单权限+场景应用体系，java+.Net两平台，信创环境。 QQ群：780256099

https://gitee.com/opencc/JFlow/

Weakness Classification(3)

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

Data Freshness Timeline

(refreshed 8× in last 7d / 27× 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 199 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-3813?
CVE-2026-3813 is a critical vulnerability published on March 9, 2026. A vulnerability was identified in opencc JFlow up to 5badc00db382d7cb82dad231e6a866b18e0addfe. Affected by this vulnerability is the function Calculate of the file src/main/java/bp/wf/httphandler/WF_CCForm.java. Such manipulation leads to injection. The attack may be performed from remote. The…
When was CVE-2026-3813 disclosed?
CVE-2026-3813 was first published in the National Vulnerability Database on March 9, 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-2026-3813 actively exploited?
CVE-2026-3813 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 70.1% of all scored CVEs.
What is the CVSS score of CVE-2026-3813?
CVE-2026-3813 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2026-3813?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-3813, 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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