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pig-mesh Pig EUVDEUVD-2026-43253

| CVE-2026-15512 LOW
Code Injection (CWE-94)
2026-07-12 VulDB GHSA-5qr2-jcjw-v3xc
Code Injection Java RCE Pig
2.1
CVSS 4.0 · Vendor: VulDB

Severity by source

Vendor (VulDB) PRIMARY
2.1 MEDIUM
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
vuln.today AI
8.8 HIGH

Code injection enabling RCE justifies C:H/I:H/A:H; PR:L reflects authenticated access required per CVSS 4.0 source vector; AV:N and AC:L confirmed by the source vector with no additional attack requirements.

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

Primary rating from Vendor (VulDB).

CVSS VectorVendor: VulDB

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

3
Severity Changed
Jul 13, 2026 - 00:22 NVD
MEDIUM LOW
CVSS changed
Jul 13, 2026 - 00:22 NVD
5.3 (MEDIUM) 2.1 (LOW)
Analysis Generated
Jul 13, 2026 - 00:01 vuln.today

DescriptionCVE.org

A vulnerability was identified in pig-mesh Pig up to 3.9.2. Affected by this issue is some unknown functionality of the file \pig-master\pig-visual\pig-codegen\src\main\java\com\pig4cloud\pig\codegen\service\impl\GeneratorServiceImpl.java of the component pig-codegen. Such manipulation leads to code injection. It is possible to launch the attack remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.

AnalysisAI

Remote code injection in pig-mesh Pig's pig-codegen module through version 3.9.2 allows low-privileged authenticated attackers to execute arbitrary code server-side via the GeneratorServiceImpl component, reachable over the network. A publicly available proof-of-concept exploit exists at GitHub (sombra0316/CVE-2026), elevating the urgency for defenders. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Obtain low-privilege credentials
Delivery
Authenticate to pig-mesh Pig application
Exploit
Craft malicious code generation request
Execution
Submit payload to GeneratorServiceImpl endpoint
Persist
Server executes injected code server-side
Impact
Achieve arbitrary remote code execution
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Vulnerability AssessmentAI

Exploitation Exploitation requires an authenticated session with at minimum low-privilege credentials on the pig-mesh Pig application - unauthenticated exploitation is not possible per the PR:L rating in the CVSS 4.0 vector. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The provided CVSS 4.0 vector (AV:N/AC:L/AT:N/PR:L/UI:N) with impact metrics VC:L/VI:L/VA:L yields a base score of 5.3, which appears to understate real-world severity given the RCE tag and CWE-94 classification - code injection vulnerabilities routinely enable full server compromise. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An attacker with a low-privilege account on a pig-mesh Pig deployment navigates to the pig-codegen code generation interface and submits a crafted HTTP request to the GeneratorServiceImpl endpoint containing a malicious template or scripting payload embedded in the code generation parameters. The server processes the payload without adequate sanitization, resulting in arbitrary Java code execution under the application server's runtime context. …
Remediation No vendor-released patch identified at time of analysis - the vendor did not respond to disclosure, and no fixed version number has been confirmed. … Detailed patch versions, workarounds, and compensating controls in full report.
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EUVD-2026-43253 vulnerability details – vuln.today
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