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JeecgBoot CVE-2026-108878

| EUVDEUVD-2026-97052 MEDIUM
Missing Authorization (CWE-862)
2026-10-11 VulnCheck GHSA-mf5r-54hh-g48q
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
    Authenticate as low-privileged user
  2. Exploit
    Enumerate app ids via /airag/app/listDict
  3. Execution
    Call queryById for each id
  4. Impact
    Read other users' AI app configuration

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 low-privileged authenticated account on the JeecgBoot instance (PR:L) and network reachability to the application; no user interaction and no special non-default configuration are needed. Exploitation specifically depends on the AIRAG/AI-application module being deployed and the /airag/app/listDict and AiragAppController queryById endpoints being reachable. The limiting factors are the authentication requirement (an attacker must already have at least a low-privilege login) and that only the AI application module is affected; impact is bounded to read-only disclosure of AI app configuration (system/memory prompts, model ids, knowledge base ids, plugin bindings), with no write or availability impact.

Impact

This is a genuine but moderate-severity information-disclosure issue, not a critical priority. The provided CVSS 4.0 vector (AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N) scores 5.3 and is internally consistent: network-reachable, low attack complexity, but requires low-privileged authentication (PR:L) and yields only low confidentiality impact with no integrity or availability impact. Publicly available exploit code exists (VulnCheck advisory plus a GitHub PoC), which raises practical exploitability, but no CISA KEV listing and no EPSS score are provided, so there is no evidence of active or widespread exploitation - PoC availability and active exploitation are distinct signals and should not be conflated. SSVC-style reasoning: exploitation is PoC-only, the flaw is automatable (the /airag/app/listDict endpoint lets an attacker enumerate ids and loop queryById), but technical impact is partial (read-only disclosure of AI app configuration, no code execution or data modification). Net assessment: a real, easily-weaponized authorization gap worth patching, but the low confidentiality-only impact and the authentication precondition keep it below high-priority urgency absent evidence of exploitation in a given environment. EPSS is missing, so widespread-vs-targeted exploitation likelihood cannot be quantified from the input.

Exploit ScenarioDerived

A low-privileged but authenticated JeecgBoot user calls the unguarded /airag/app/listDict endpoint to enumerate every AI application id in the system, then calls the AiragAppController queryById handler for each id. Because queryById performs no per-object ownership/authorization check (CWE-862), the attacker reads other users' system prompts, memory prompts, model ids, knowledge base ids, and plugin bindings. A working PoC (poc_airag_app_query_by_id.py) is publicly available, making this trivial to reproduce.

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 11, 2026

Missing authorization in JeecgBoot through 3.9.5 allows any authenticated, low-privileged user to read the AI application configurations of other users by invoking the AiragAppController queryById handler with arbitrary application ids. The companion /airag/app/listDict endpoint lacks its own access control and can be walked to enumerate valid application ids, each of which then discloses system prompts, memory prompts, model ids, knowledge base ids, and plugin bindings belonging to other users. Publicly available exploit code exists (a Python proof-of-concept), and the issue is not listed in CISA KEV as actively exploited; with the assessed vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N (5.3), this is a genuine but moderate-severity, read-only information-disclosure problem rather than a critical priority.

RemediationAI

No vendor-released patch identified at time of analysis: the provided references point only to the vulnerable source location in commit e3b9dc0 and to the VulnCheck advisory, with no fixed version number published, so upgrade guidance cannot be given as a specific release. Until a vendor fix is available, the most effective mitigation is to remove the attack surface: if the AIRAG module is not in active use, undeploy or disable jeecg-boot-module-airag (and block its /airag/ routes at the gateway or reverse proxy), accepting the loss of AI-application functionality as the trade-off. Where AIRAG is required, add an object-level authorization check to AiragAppController.queryById and to /airag/app/listDict - for example a JeecgBoot data-scope/permission filter or an explicit ownership comparison against the caller's user/tenant id - so that callers can only retrieve applications they own, though this requires custom code maintenance that may diverge from future upstream releases. Additional compensating controls: restrict network access to /airag/ to trusted admin networks or VPN, alert on bulk or sequential enumeration of the listDict/queryById pair (a strong indicator of exploitation given the context given in the description), and rotate or treat as exposed any prompt text, model identifiers, or knowledge-base ids that may have leaked, since disclosure cannot be undone by patching alone. Monitor the JeecgBoot project and the linked VulnCheck advisory for an official fix version before relying on any of the above as a permanent fix.

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

JeecgBoot is a Java/Spring Boot low-code development platform, and the affected component is the optional AIRAG module (jeecg-boot-module-airag), which stores and serves configuration for "AI applications" built on the platform. The root cause is CWE-862 (Missing Authorization): the queryById handler in AiragAppController (see the vulnerable source at the referenced GitHub permalink, commit e3b9dc0, lines 196-203) performs no object-level or ownership check before returning the requested AI application record, and the /airag/app/listDict endpoint is likewise unguarded, acting as an id oracle. Because authorization is enforced only at the "is the caller logged in" level and not at the "does the caller own this object" level, any account with minimal privileges can pivot from enumeration to direct object reads. The affected artifact is captured by the CPE cpe:2.3:a:jeecgboot:jeecgboot:*:*:*:*:*:*:*:* per VulnCheck. Impact is confined to confidentiality of AI app metadata (prompts, model ids, knowledge base ids, plugin bindings) - there is no write or availability impact, and exploitation presupposes that the AIRAG module is deployed and that both endpoints are network-reachable.

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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 with low complexity but requires a low-privileged authenticated account (PR:L); read-only config disclosure gives C:L with no integrity or availability impact.

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 AiragAppController queryById handler that allows low-privileged authenticated users to read any AI application configuration. Attackers can enumerate application ids via the unguarded /airag/app/listDict endpoint and query each id to obtain system prompts, memory prompts, model ids, knowledge base ids, and plugin bindings of other users' applications.

Threat Intelligence Overview

EPSS Score
0.2%
Top 92% exploitable
Prevalence
Medium
popular open-source low-code platform, moderate but not universal deployment
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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Privilege escalation in JeecgBoot through 3.9.5 lets any authenticated user approve their own pending tenant administrat

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Missing authorization in the saveDeptRolePermission endpoint of JeecgBoot's SysDepartPermissionController lets any authe

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CVE-2023-34603 HIGH POC
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JeecgBoot up to v 3.5.1 was discovered to contain a SQL injection vulnerability via the component queryFilterTableDictIn

CVE-2023-34602 HIGH POC
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JeecgBoot up to v 3.5.1 was discovered to contain a SQL injection vulnerability via the component queryTableDictItemsByC

CVE-2026-108623 HIGH POC
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CVE-2026-108648 HIGH POC
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Database credential disclosure in JeecgBoot through 3.9.5 allows any authenticated low-privileged user to retrieve JDBC

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Missing authorization in JeecgBoot through 3.9.5 lets any authenticated user enumerate record IDs through the unguarded

CVE-2026-108677 HIGH POC
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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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