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Java CVE-2026-5259

| EUVD-2026-17826 LOW
Server-Side Request Forgery (SSRF) (CWE-918)
2026-04-01 VulDB
2.1
CVSS 4.0 · NVD

Severity by source

NVD PRIMARY
2.1 LOW
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/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
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
X

Lifecycle Timeline

6
Severity Changed
Apr 29, 2026 - 01:11 NVD
MEDIUM LOW
CVSS changed
Apr 29, 2026 - 01:11 NVD
5.3 (MEDIUM) 2.1 (LOW)
PoC Detected
Apr 01, 2026 - 14:23 vuln.today
Public exploit code
EUVD ID Assigned
Apr 01, 2026 - 08:00 euvd
EUVD-2026-17826
Analysis Generated
Apr 01, 2026 - 08:00 vuln.today
CVE Published
Apr 01, 2026 - 07:30 nvd
MEDIUM 5.3

DescriptionCVE.org

A vulnerability was determined in AutohomeCorp frostmourne up to 1.0. The affected element is an unknown function of the file frostmourne-monitor/src/main/java/com/autohome/frostmourne/monitor/controller/AlarmController.java of the component Alarm Preview. Executing a manipulation can lead to server-side request forgery. The attack may be performed from remote. The exploit has been publicly disclosed and may be utilized.

AnalysisAI

Server-side request forgery in AutohomeCorp frostmourne up to version 1.0 allows authenticated remote attackers to manipulate the Alarm Preview component via an unknown function in AlarmController.java, enabling arbitrary HTTP requests from the vulnerable server with potential to access internal resources, leak sensitive data, or interact with backend systems. Publicly available exploit code exists; CVSS 6.3 reflects moderate severity with low attack complexity and limited impact scope.

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Vulnerability AssessmentAI

Risk Assessment The CVSS 6.3 with AV:N/AC:L/PR:L reflects a network-accessible vulnerability requiring low privileges (authenticated user) and low complexity, but with limited impact (confidentiality, integrity, and availability each rated Low in an unchanged scope). … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An authenticated user with access to frostmourne's Alarm Preview feature manipulates an input parameter in the AlarmController endpoint to specify an arbitrary internal URL (e.g., http://169.254.169.254/latest/meta-data/ for cloud metadata, or http://internal-database:5432/ for backend services). The server processes the request on the attacker's behalf, returning sensitive data such as cloud credentials, internal service responses, or configuration details. …
Remediation Upgrade to a patched version of frostmourne released by AutohomeCorp after version 1.0 (exact version not specified in available data; vendor advisory should be consulted). … Detailed patch versions, workarounds, and compensating controls in full report.

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CVE-2026-5259 vulnerability details – vuln.today

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