CVE-2026-112003: Software Security Vulnerability Vulnerability

MODERATE
Advisory Identifier: GHSA-f5fh-phpc-hrv4
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CVSS 5.9
CWE-180
Published
Advisory Summary

CVE-2026-112003 is a MODERATE (CVSS 5.9) security vulnerability vulnerability (CWE-180: Incorrect Behavior Order: Validate Before Canonicalize) affecting Software libraries in the Maven ecosystem. The weakness occurs when the product validates input before it is canonicalized, which prevents the product from detecting data that becomes invalid after the canonicalization step.. Remediation is available in the latest vendor maintenance releases.

CVE-2026-112003 at a Glance

CVE Identifier CVE-2026-112003
GHSA Identifier GHSA-f5fh-phpc-hrv4
Severity MODERATE
CVSS v3.1 Base Score 5.9
CWE Classification CWE-180: Incorrect Behavior Order: Validate Before Canonicalize
Affected Product Software
Package Ecosystem Maven
Published Date
Last Updated

Security Impact

CVSS: 5.9

The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:L).

Attack Vector Network (AV:N)
Attack Complexity High (AC:H)
Privileges Required Low (PR:L)
User Interaction None (UI:N)
Scope Unchanged (S:U)
Confidentiality None (C:N)
Integrity High (I:H)
Availability Low (A:L)

How to Fix CVE-2026-112003

To remediate this vulnerability, upgrade all affected Software dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.

Verify Direct and Transitive Dependencies

Run the following command in your project directory to verify that all resolved dependencies use the patched release: 

mvn dependency:tree

How to Check if You Are Affected

To determine whether your Java application is affected by CVE-2026-112003, inspect your build dependencies using the Maven Dependency Plugin:

mvn dependency:tree

Analyze the terminal output to locate any version of Software in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than the patched release), your application is affected.

Note: The mvn dependency:tree command inspects the resolved dependency graph declared in your project's POM files; it does not perform automated security scanning or inspect runtime dynamic classpaths. Always verify runtime container classpaths and shaded JARs.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under CWE-180: Incorrect Behavior Order: Validate Before Canonicalize, where the product validates input before it is canonicalized, which prevents the product from detecting data that becomes invalid after the canonicalization step. In Software, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.

Source Advisory Statement

ProjectSend 2.0.0 before 2.7.0 contains a path validation flaw in OrphanFileScanner::isOrphan() that allows staff with import_orphans permission to treat tracked files as orphans. Attackers can submit ./ path aliases to the orphans import or delete endpoints, deleting or adopting other owners' files while bypassing delete_others_files.

References

GitHub Advisory / Wiki ADVISORY
https://github.com/projectsend/projectsend/security/advisories/GHSA-pv88-7863-5hwq
NVD — CVE-2026-112003 NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-112003
Security Fix Commit FIX COMMIT
https://github.com/projectsend/projectsend/commit/1e34773ad39c256f1320f4d2b47b93a5805f07c6
Software Source Repository REPOSITORY
https://github.com/projectsend/projectsend/blob/v2.6.0/app/Modules/Files/OrphanFileScanner.php#L109-L120
Software Release RELEASE
https://github.com/projectsend/projectsend/releases/tag/v2.7.0
www.vulncheck.com/advisories/projects... WEB
https://www.vulncheck.com/advisories/projectsend-2.0.0-before-2.7.0-path-validation-bypass-via-orphan-file-import-delete

Frequently Asked Questions

What is CVE-2026-112003?
CVE-2026-112003 is a security vulnerability in Software classified as a security vulnerability vulnerability under CWE-180: Incorrect Behavior Order: Validate Before Canonicalize.
Which Software versions are affected?
Affected versions include releases prior to current release patches.
What version fixes CVE-2026-112003?
Upgrading to current release patches (or the latest patched release for your respective branch) resolves the vulnerability.
What is the CVSS score of CVE-2026-112003?
CVE-2026-112003 has a CVSS v3.1 base score of 5.9 (MODERATE) with vector string CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:L.
What CWE is associated with CVE-2026-112003?
CVE-2026-112003 is classified under CWE-180: Incorrect Behavior Order: Validate Before Canonicalize (The product validates input before it is canonicalized, which prevents the product from detecting data that becomes invalid after the canonicalization step.).
How can I check Maven dependencies for CVE-2026-112003?
Run the dependency tree command: 'mvn dependency:tree'. This command lists direct and transitive dependencies in your build configuration so you can verify if a vulnerable version is resolved.
Machine-readable OSV JSON OSV v1.5 Schema
Normalized schema output
View Raw JSON 
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-f5fh-phpc-hrv4",
  "modified" : "2026-10-18T12:30:26Z",
  "published" : "2026-10-18T12:30:26Z",
  "aliases" : [ "CVE-2026-112003" ],
  "details" : "ProjectSend 2.0.0 before 2.7.0 contains a path validation flaw in OrphanFileScanner::isOrphan() that allows staff with import_orphans permission to treat tracked files as orphans. Attackers can submit ./ path aliases to the orphans import or delete endpoints, deleting or adopting other owners' files while bypassing delete_others_files.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:L"
  }, {
    "type" : "CVSS_V4",
    "score" : "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:H/VA:L/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"
  } ],
  "affected" : [ ],
  "references" : [ {
    "type" : "WEB",
    "url" : "https://github.com/projectsend/projectsend/security/advisories/GHSA-pv88-7863-5hwq"
  }, {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2026-112003"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/projectsend/projectsend/commit/1e34773ad39c256f1320f4d2b47b93a5805f07c6"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/projectsend/projectsend/blob/v2.6.0/app/Modules/Files/OrphanFileScanner.php#L109-L120"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/projectsend/projectsend/releases/tag/v2.7.0"
  }, {
    "type" : "WEB",
    "url" : "https://www.vulncheck.com/advisories/projectsend-2.0.0-before-2.7.0-path-validation-bypass-via-orphan-file-import-delete"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-180" ],
    "severity" : "MODERATE",
    "github_reviewed" : false,
    "github_reviewed_at" : null,
    "nvd_published_at" : "2026-10-18T12:17:12Z"
  }
}