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JeecgBoot EUVDEUVD-2026-96612

| CVE-2026-108673 MEDIUM
Missing Authorization (CWE-862)
2026-10-10 VulnCheck GHSA-pvqc-57rm-hh62
5.3
CVSS 4.0 · Vendor: VulnCheck
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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain

  1. Access
    Obtain any low-privilege account
  2. Delivery
    Authenticate to JeecgBoot
  3. Exploit
    Request /airag/prompts/exportXls
  4. Execution
    Server skips authorization check
  5. Impact
    Download all users' prompts as Excel workbook

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V8 - Authorization Authorization checks on every request
MITRE ATT&CK

1 technique across 1 tactic: Privilege Escalation

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Exploitation Conditions

Requires a valid authenticated session with any low-privilege JeecgBoot account (PR:L) that can reach the /airag/prompts/exportXls endpoint; the AIRAG prompts module must be present and in use. No special non-default configuration, no user interaction, and no elevated role are needed - the limiting factor is solely possession of a low-level account, so deployments with open registration, shared accounts, or many low-trust users are most exposed. Exploitation is bounded to JeecgBoot versions through 3.9.5 and yields only disclosure of stored AI prompt data (content, model IDs, parameters), with no write or availability impact.

Impact

This is a genuine but moderate-severity information-disclosure issue, not a critical priority. The vendor-supplied CVSS 4.0 vector (AV:N/AC:L/AT:N/PR:L/UI:N/VC:L) describes a network-reachable, low-complexity flaw requiring only low-privilege authentication (PR:L) and no user interaction, with limited confidentiality impact (VC:L) and no integrity or availability impact - consistent with the score of 5.3 and the CWE-862 missing-authorization classification. Publicly available POC code (VulnCheck advisory plus a GitHub exploit script) lowers the practical barrier to exploitation, but there is no CISA KEV listing and no EPSS score was provided, so there is no evidence of active, widespread exploitation. The signals are internally consistent: a low-privilege authenticated attacker can reliably retrieve data, but impact is confined to disclosure of other users' AI prompts rather than code execution or system compromise. Net assessment: real and easily exploitable in multi-tenant deployments where low-privilege accounts are common, but the capped confidentiality-only impact and the authentication prerequisite keep it below urgent-patch urgency unless the exposed prompt content is itself sensitive.

Exploit ScenarioDerived

A low-privileged but authenticated JeecgBoot user (or an attacker who has obtained any valid low-level account) sends a GET request to /airag/prompts/exportXls. Because the exportXls handler performs no per-record authorization check, the server returns an Excel workbook containing every user's AI prompts - prompt content, model IDs, and parameters - not just the attacker's own. A public POC script (poc_airag_extdata_prompts_export.py) automates this request, making exploitation trivial.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
No patch listed yet 0.2% exploitation probability (EPSS)

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AnalysisAIv1 – Oct 10, 2026

Missing authorization in JeecgBoot through 3.9.5 lets any authenticated user - including low-privileged accounts - download every user's stored AI prompts by calling the /airag/prompts/exportXls endpoint. The response is an Excel workbook exposing prompt content, model IDs, and parameters belonging to all users, a moderate-severity information disclosure rather than a critical code-execution issue. Publicly available exploit code exists (a PoC script targets this handler), though there is no confirmed evidence of active exploitation (no CISA KEV listing), and exploitation is gated solely on possession of any valid low-privilege session.

RemediationAI

No vendor-released patch or fixed version was identified at time of analysis; the only upstream reference is the vulnerable source at a specific commit, not a remediated release, so treat any JeecgBoot deployment on 3.9.5 or earlier as unpatched until jeecgboot publishes a fix - monitor the project repository and the VulnCheck advisory (https://www.vulncheck.com/advisories/jeecgboot-through-3.9.5-missing-authorization-via-airag-prompts-exportxls) for an updated version. Until then, apply compensating controls: add an explicit permission/role annotation or interceptor check on the exportXls mapping and any sibling export endpoints in AiragPromptsController (side effect: legitimate admin exports require the granted role, which most deployments already intend); block or restrict the /airag/prompts/exportXls path at the reverse proxy/WAF for all but trusted administrative source ranges (trade-off: administrators lose convenient remote export and must use an approved network path); disable the AIRAG prompts feature entirely if it is not in active use (trade-off: loses AI prompt functionality); and audit authentication provisioning - close open self-registration, remove shared or default low-privilege accounts, and rotate or remove any exposed prompt content, model IDs, and parameters, since this is squarely an information-disclosure issue with no write or availability impact. Because a PoC is publicly available, prioritize blocking the endpoint over waiting for a patch.

Affected VersionsENISA

JeecgBoot 0 ≤3.9.5

Affected Packages

euvd jeecgboot no fix

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in euvd

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

The flaw is a classic CWE-862 Missing Authorization defect in JeecgBoot, a Spring Boot-based low-code development platform. The AiragPromptsController (jeecg-boot-module-airag, path org/jeecg/modules/airag/prompts/controller/AiragPromptsController.java, around lines 184-193) exposes an exportXls handler that builds and streams an Excel export of the AIRAG prompts table without performing a permission/role check on the caller. Because JeecgBoot's authorization is normally enforced via annotations/filters tied to the request mapping, omitting that check means the only barrier is a valid authenticated session; any principal, regardless of granted permissions, reaches the handler. The underlying data model stores AI prompt definitions including prompt text, associated model identifiers, and generation parameters - useful reconnaissance for prompt-injection, model abuse, or intellectual-property theft. The CPE cpe:2.3:a:jeecgboot:jeecgboot:*:*:*:*:*:*:*:* with a wildcard version indicates all releases up to and including 3.9.5 are presumed affected unless individually confirmed otherwise.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

Vendor (VulnCheck) PRIMARY 5.3 MEDIUM
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
vuln.today AI 4.3 MEDIUM

Network-reachable endpoint with low complexity and no UI; PR:L because any authenticated low-privilege account suffices; C:L for limited prompt-data disclosure, I/A:N as no modification or disruption occurs.

3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

Primary rating from Vendor (VulnCheck).

CVSS VectorVendor: VulnCheck

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
Low
User Interaction
None
Vulnerable system: Confidentiality
Low
Vulnerable system: Integrity
None
Vulnerable system: Availability
None
Subsequent system: Confidentiality
None
Subsequent system: Integrity
None
Subsequent system: Availability
None

DescriptionCVE.org

JeecgBoot through 3.9.5 contains a missing authorization vulnerability in the AiragPromptsController exportXls handler that allows any authenticated user to export all AI prompts. Low-privileged attackers can request /airag/prompts/exportXls to download every user's prompts, including prompt content, model ids, and parameters, as an Excel workbook.

Threat Intelligence Overview

EPSS Score
0.2%
Top 92% exploitable
Prevalence
Medium
popular open-source low-code platform, common but not universally deployed
Exploit
POC
Public exploit code exists
Social Media
1
Sightings
Data Quality
5 sources
Confidence: Medium

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity MEDIUM
CISA KEV No
Public POC Yes
EPSS 0.2%
Patch available No
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
Poc
System Exposure· derived
Open
Automatable· derived
No
Human Impact· derived
Medium

Priority Score

46
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +26
PoC: +20
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.

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Authenticated low-privileged users of JeecgBoot through 3.9.5 can retrieve any other user's stored password ciphertext t

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Authenticated users of any privilege level on JeecgBoot through 3.9.5 can rewrite DingTalk, WeCom, or Feishu third-party

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