CVE-2026-18682: Software Security Vulnerability Vulnerability

LOW
Advisory Identifier: GHSA-2pjc-27f2-cwx3
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CVSS 3.1
CWE-79
Published
Advisory Summary

CVE-2026-18682 is a LOW (CVSS 3.1) security vulnerability vulnerability (CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')) affecting Software libraries in the Maven ecosystem. The weakness occurs when the product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.. Remediation is available in the latest vendor maintenance releases.

CVE-2026-18682 at a Glance

CVE Identifier CVE-2026-18682
GHSA Identifier GHSA-2pjc-27f2-cwx3
Severity LOW
CVSS v3.1 Base Score 3.1
CWE Classification CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Affected Product Software
Package Ecosystem Maven
Published Date
Last Updated

Security Impact

CVSS: 3.1

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

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

How to Fix CVE-2026-18682

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-2026-18682, 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-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting'), where the product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. 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

A security flaw has been discovered in OpenAkita up to 1.27.12. This vulnerability affects unknown code of the file /api/upload of the component File Upload API. The manipulation of the argument File results in cross site scripting. The attack may be performed from remote. A high complexity level is associated with this attack. It is stated that the exploitability is difficult. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

References

NVD — CVE-2026-18682 NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-18682
app.notion.com/p/openakita-storage... WEB
https://app.notion.com/p/OpenAkita-Storage-type-XSS-36b6b282520c80e790d4d95013f67e31?v=399f40ee1bc649168d81ef87a0f77f31&source=copy_link
vuldb.com/cve/cve-2026-18682 WEB
https://vuldb.com/cve/CVE-2026-18682
vuldb.com/submit/855312 WEB
https://vuldb.com/submit/855312
vuldb.com/vuln/385609 WEB
https://vuldb.com/vuln/385609
vuldb.com/vuln/385609/cti WEB
https://vuldb.com/vuln/385609/cti

Frequently Asked Questions

What is CVE-2026-18682?
CVE-2026-18682 is a security vulnerability in Software classified as a security vulnerability vulnerability under CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting').
Which Software versions are affected?
Affected versions include releases prior to current release patches.
What version fixes CVE-2026-18682?
Upgrading to current release patches (or the latest patched release for your respective branch) resolves the vulnerability.
What is the CVSS score of CVE-2026-18682?
CVE-2026-18682 has a CVSS v3.1 base score of 3.1 (LOW) with vector string CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N.
What CWE is associated with CVE-2026-18682?
CVE-2026-18682 is classified under CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') (The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.).
How can I check Maven dependencies for CVE-2026-18682?
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-2pjc-27f2-cwx3",
  "modified" : "2026-08-04T00:34:52Z",
  "published" : "2026-08-04T00:34:52Z",
  "aliases" : [ "CVE-2026-18682" ],
  "details" : "A security flaw has been discovered in OpenAkita up to 1.27.12. This vulnerability affects unknown code of the file /api/upload of the component File Upload API. The manipulation of the argument File results in cross site scripting. The attack may be performed from remote. A high complexity level is associated with this attack. It is stated that the exploitability is difficult. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N"
  }, {
    "type" : "CVSS_V4",
    "score" : "CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/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"
  } ],
  "affected" : [ ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2026-18682"
  }, {
    "type" : "WEB",
    "url" : "https://app.notion.com/p/OpenAkita-Storage-type-XSS-36b6b282520c80e790d4d95013f67e31?v=399f40ee1bc649168d81ef87a0f77f31&source=copy_link"
  }, {
    "type" : "WEB",
    "url" : "https://vuldb.com/cve/CVE-2026-18682"
  }, {
    "type" : "WEB",
    "url" : "https://vuldb.com/submit/855312"
  }, {
    "type" : "WEB",
    "url" : "https://vuldb.com/vuln/385609"
  }, {
    "type" : "WEB",
    "url" : "https://vuldb.com/vuln/385609/cti"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-79" ],
    "severity" : "LOW",
    "github_reviewed" : false,
    "github_reviewed_at" : null,
    "nvd_published_at" : "2026-08-03T22:16:48Z"
  }
}