CVE-2026-108636Proof of concept (PoC) published · CISA

JeecgBoot through 3.9.5 Missing Authorization via /sys/sysDepart/appImportExcel

CVSS score

5.3

EPSS probability

%0.2

Risk score

0.0

Published

3 d ago

Overview Public Exploits (0)Newsroom Vulnerability Timeline

Patch status has not yet been verified

Resmî kaynaklarda yeterli kanıt bulunamadı. Bu sonuç “yama yok” anlamına gelmez.

Impact on My Inventory

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Vulnerability description

CVE AI research

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DayBreach AI Explanation

Verified against sources

Missing Authorization Vulnerability in JeecgBoot

Sources read

Source agreement

0/2

Evidence confidence

%44

Short explanation

A missing authorization vulnerability in JeecgBoot allows low-privileged authenticated users to import departments via the /sys/sysDepart/appImportExcel endpoint.

Why does it matter?

This vulnerability enables low-privileged attackers to inject records into the administrator-maintained department tree, leading to a bypass of authorization boundaries.

What should be done?

Follow vendor advisories as patch status is currently unknown
Review endpoint access restrictions and authentication controls

Note on uncertainty

2 alanda kaynak uyuşmazlığı var. DayBreach bu değerleri saklamadı; kaynak karşılaştırması aşağıda gösteriliyor.

Chain of evidence and sources4 verified claims

JeecgBoot sürümleri 3.9.5 ve öncesi, appImportExcel işleyicisinde eksik yetkilendirme açığı içermektedir.

S0 · daybreach-canonical S1 · cvelist S2 · nvd

Saldırganlar hazırlanmış bir Excel dosyasını POST /sys/sysDepart/appImportExcel adresine yükleyebilir.

S0 · daybreach-canonical S1 · cvelist S2 · nvd

Resmî kaynaklarda yama durumu doğrulanamamıştır.

S0 · daybreach-canonical

Kaynaklar arasında CVSS taban puanı ve vektör değerlerinde çelişki bulunmaktadır.

S0 · daybreach-canonical S1 · cvelist S2 · nvd

Show the technical text from the sources

JeecgBoot through 3.9.5 contains a missing authorization vulnerability in the SysDepartController appImportExcel handler that allows any authenticated user to import departments. Low-privileged attackers can upload a crafted Excel workbook to POST /sys/sysDepart/appImportExcel to create arbitrary sys_depart records in the administrator-maintained department tree.

CVSS vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N

CWE: CWE-862

Explanation produced with the local gemini-flash-lite-latest model. Numerical metrics and the KEV, patch and exploit statuses are not determined by AI.

IMPACT: Affected Products and Software

Affected Products

The following products are affected by CVE-2026-108636 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.

ID	VENDOR	PRODUCT	ACTION
1	jeecgboot	JeecgBoot	View

Total affected vendors: 1|Products: 1

RED HAT CSAF/VEX: Product Impact Check

Red Hat has not yet published a CSAF/VEX impact record for this CVE. This does not mean “not affected”.

SCORING: CVSS from Multiple Sources

CVSS Scores

The Common Vulnerability Scoring System is a standardised framework for assessing the severity of vulnerabilities in software and systems. We collect and display CVSS scores from several sources for each CVE.

SCORE	VERSION	SEVERITY	VECTOR	SOURCE
5.3	CVSS V40	MEDIUM	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X	NVD
5.3	CVSS V4_0	MEDIUM	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N	CVE CNA
4.3	CVSS V31	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N	NVD
4.3	CVSS V3_1	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N	CVE CNA

Patch and Remediation Guide

Solution & Remediation Advisory

Patch status unknown

İncelenen resmî kaynaklarda yama durumu doğrulanamadı. Bu sonuç “yama yok” anlamına gelmez.

Confirm the affected product and version against the source evidence above.

Restrict access to internet-facing services and apply network segmentation.

Until a patch is confirmed, follow the vendor advisory; do not read an unknown status as “no patch”.

Monitor server logs and network endpoints for signs of anomalous execution.

Public exploit and active exploitation status

Verified exploit intelligence

No verified public PoC, exploit repository or Metasploit module has been found for this CVE yet.

Weakness Classification and Attack Patterns (CWE & CAPEC)

CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorises the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-108636 is associated with the following CWEs:

CWE-862: Common Weakness Enumeration Entry CWE-862

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-108636 weaknesses.

CAPEC-66: SQL Injection CAPEC-126: Path Traversal CAPEC-28: OS Command Injection

Attack Vector and Accessibility

ExposureAğ üzerinden

PermissionsLow

UserGerekmiyor

Official Sources and Advisories

Researcher Proof of Conceptvendor-advisory Vulnerable Code (v3.9.5)vendor-advisory VulnCheck Advisory: JeecgBoot through 3.9.5 Missing Authorization via /sys/sysDepart/appImportExcelvendor-advisory

CVSS Vector Radar Chart

5.3 / 10

Vulnerability Scoring Details

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow privileges

User InteractionNone required

Confidentiality (Gizlilik)Low

Integrity (Bütünlük)None

Availability (Erişilebilirlik)None

Yama durumu bilinmiyor

İncelenen resmî kaynaklarda yama durumu doğrulanamadı. Bu sonuç “yama yok” anlamına gelmez.

Follow the vendor

jeecgboot

Weakness Type (CWE & CAPEC)

CWE-862

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Get this vulnerability through the API

Affected products, version ranges, exploitation status and patch information in a single request, with a free key.

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JeecgBoot through 3.9.5 Missing Authorization via /sys/sysDepart/appImportExcel

Impact on My Inventory

Vulnerability description

DayBreach AI Explanation

Short explanation

What should be done?

IMPACT: Affected Products and Software

Affected Products

RED HAT CSAF/VEX: Product Impact Check

SCORING: CVSS from Multiple Sources

CVSS Scores

Patch and Remediation Guide

Solution & Remediation Advisory

Public exploit and active exploitation status

Verified exploit intelligence

Weakness Classification and Attack Patterns (CWE & CAPEC)

CWE - Common Weakness Enumeration

Common Attack Pattern Enumeration and Classification (CAPEC)

Attack Vector and Accessibility

Official Sources and Advisories

CVSS Vector Radar Chart

Vulnerability Scoring Details

Weakness Type (CWE & CAPEC)

Similar Vulnerabilities

JimuReport Unauthenticated Report Listing and Share Token Disclosure

jeecgboot jeewx-boot doUpload Endpoint MyJwWebJwid3Controller.java MyJwWebJwid3Controller.doUpload unrestricted upload

JeecgBoot through 3.9.5 Missing Authorization via /sys/log/deleteBatch

JeecgBoot through 3.9.5 Missing Authorization via getDynamicDbSourceByCode Endpoint

JeecgBoot through 3.9.5 Missing Authorization via /airag/airagMcp/queryById

JeecgBoot through 3.9.5 Missing Authorization via /sys/tenant/passApply

Get this vulnerability through the API

DayBreach

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