CVE-2026-11561Network attack vector

Unauthenticated code injection via expression evaluation

Published Jun 11, 2026 · Updated Jun 11, 2026

Expression language injection in Apinizer 2026.04.0 through 2026.04.5 allows remote attackers to execute code via crafted requests. The published record states that special elements in an expression language statement are not neutralized, but it does not identify the affected component, input field, or evaluation routine. No privileges or user interaction are required, and successful injection executes code in the affected service context, permitting data access, modification, or service interruption.

CVSS severity9.8
Critical
EPSS probability0.45%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
Coverage for this vulnerability

See if you're affected

Explore vulnerability checks for your environment with Hinoki.

Book a demo

Summary

What happened

Expression language injection in Apinizer 2026.04.0 through 2026.04.5 allows remote attackers to execute code via crafted requests. The published record states that special elements in an expression language statement are not neutralized, but it does not identify the affected component, input field, or evaluation routine. No privileges or user interaction are required, and successful injection executes code in the affected service context, permitting data access, modification, or service interruption.

The record

CVE
CVE-2026-11561
Published
Jun 11, 2026
Updated
Jun 11, 2026
Vendor
Apinizer
Product
Apinizer
Classifications
CWE-917, CAPEC-242, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jun 11, 2026CVE publishedPublication date reported by the CVE source.
  2. Jun 11, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=2026.04.0 <2026.04.6

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Apinizer · Apinizerversion=2026.04.0 <2026.04.6

Published CVSS scores

9.8Computer Emergency Response Team of the Republic of TurkeyCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-917Improper Neutralization of Special Elements used in an Expression Language Statement ('Expression Language Injection')
CAPEC-242Code Injection
T1190Exploit Public-Facing Application

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

See the directory against your own environment.

Your stack

Check the software in your environment

Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.

Book a demo