# CVE-2026-86228 — JeecgBoot

> As of 2026-09-06, CVE-2026-86228 is a MEDIUM-severity vulnerability in JeecgBoot, CVSS v3.1 4.3, EPSS 0.2% (13.3th percentile). No Threadlinqs-tracked threat campaign has been attributed to CVE-2026-86228 as of 2026-09-06; the identifier is re-checked against the Threadlinqs threat corpus on every daily ingest.

**Last updated:** 2026-09-06

## What is CVE-2026-86228?

A security vulnerability has been detected in JeecgBoot up to 3.9.3. This vulnerability affects the function exportXls of the file jeecg-boot/jeecg-boot-module/jeecg-boot-module-airag/src/main/java/org/jeecg/modules/airag/llm/controller/AiragModelController.java. Such manipulation of the argument credential leads to improper access controls. It is possible to launch the attack remotely. The exploit has been disclosed publicly and may be used. Upgrading to version 3.9.5 is able to resolve this issue. The name of the patch is a2be896f753936956ee6863b632b8e5a0231345c. You should upgrade the affected component.

The record classifies CVE-2026-86228 under weakness classes [CWE-284](https://intel.threadlinqs.com/cwe/CWE-284), [CWE-266](https://intel.threadlinqs.com/cwe/CWE-266). Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs low-privilege credentials, needs no user interaction. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 29 days ago.

## Severity and exploitation probability

- **CVSS v3.1 base score:** 4.3 — MEDIUM (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C`)
- **CVSS v4.0 base score:** 5.3 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P`)
- **EPSS (FIRST):** 0.2% probability of exploitation in the next 30 days, higher than 13.3% of all scored CVEs
- **CISA KEV:** Not listed in the CISA Known Exploited Vulnerabilities catalog
- **Threadlinqs priority:** 2.7/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- **Published:** 2026-09-06

## Is CVE-2026-86228 being exploited?

It currently carries a trending score of 33 in the Threadlinqs vulnerability feed.

## Affected products and versions

- **(vendor unspecified)**: JeecgBoot

## How to fix CVE-2026-86228

No vendor patch reference has been recorded for CVE-2026-86228 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.

## Threat activity tracking CVE-2026-86228

No threat campaign in the Threadlinqs corpus currently references CVE-2026-86228, in its CVE list or as an indicator. The linkage is recomputed from the live corpus on every daily ingest, so this section fills in as soon as a tracked campaign cites the identifier.

## Sources

Enriched from CVE.org, GitHub Security Advisories, FIRST EPSS. Last verified by Threadlinqs on 2026-09-07.

**Vendor advisory and patch**

- [github.com — patch](https://github.com/jeecgboot/JeecgBoot/commit/a2be896f753936956ee6863b632b8e5a0231345c)
- [github.com — patch (v3.9)](https://github.com/jeecgboot/JeecgBoot/releases/tag/v3.9.5)

**Exploit and proof of concept**

- [github.com — exploit](https://github.com/jeecgboot/JeecgBoot/issues/9600)

**Technical analysis**

- [vuldb.com — vdb entry](https://vuldb.com/vuln/399381)

**Third-party advisory**

- [vuldb.com — signature](https://vuldb.com/vuln/399381/cti)
- [vuldb.com — third party advisory](https://vuldb.com/cve/CVE-2026-86228)
- [vuldb.com — third party advisory (898368)](https://vuldb.com/submit/898368)

**Issue tracking and product pages**

- [github.com — product](https://github.com/jeecgboot/JeecgBoot/)

Canonical: https://intel.threadlinqs.com/cve/CVE-2026-86228
Full detection coverage and IOCs for threats exploiting CVE-2026-86228 via the Threadlinqs MCP server (Purple tier): https://intel.threadlinqs.com/mcp