Centreon Template Injection Enables Authenticated Remote Code Execution

This vulnerability is a critical Server-Side Template Injection (SSTI) in Centreon's centreon-open-tickets module that leads to Remote Code Execution. The message_confirm field is stored without sanitization and rendered via Smarty with no security policy enabled, allowing any authenticated user, to inject and execute arbitrary code on the server. This results in disclosure of environment secrets and could impact platform availability of Centreon Infra Monitoring product.

Casky was already ahead

This CVE exploits attack patterns that Casky's 322matched skills already investigate — long before this vulnerability was disclosed. Claude's reasoning model maps these techniques to MITRE ATT&CK, so practitioners who ran these skills have already seen the threat behaviour in their findings.

Analysis

CVE-2026-14453 is a critical Server-Side Template Injection (SSTI) vulnerability in Centreon's centreon-open-tickets module that allows authenticated users to execute arbitrary code on the server. The vulnerability stems from unsanitized user input in the message_confirm field being rendered through Smarty templating engine without any security policy restrictions. This represents a significant threat to organizations deploying Centreon for infrastructure monitoring, as attackers with valid credentials can escalate privileges, exfiltrate sensitive environment variables and secrets, and disrupt monitoring platform availability—potentially blinding security operations during active incidents.

Casky's 322 matched skills leverage Claude AI's extended reasoning to detect the attack patterns underlying this vulnerability across MITRE ATT&CK techniques TA0001 (Reconnaissance) and TA0043 (Reconnaissance via cloud services). Practitioners using Casky would observe detection findings focused on: (1) suspicious template syntax patterns in web application logs ({{, {%, Smarty delimiters), (2) authenticated session activity followed by unusual process execution or file system access, (3) environment variable enumeration attempts post-compromise, and (4) anomalous outbound connections or data exfiltration tied to compromised credentials. The platform's skill mapping would correlate these signals with code injection and command execution indicators, enabling security teams to identify exploitation attempts before environment secrets are disclosed.

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Casky Risk Score

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EPSS Probability

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Shodan Exposure

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GreyNoise Signal

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Composite risk scoring from EPSS, CISA KEV, Shodan, and GreyNoise — 21 security APIs correlated into a single Casky Risk Score. Coming in Casky Pro. Join early access →

322 Casky skills cover this attack pattern

These skills use Claude AI's reasoning model to surface findings in the same attack categories as CVE-2026-14453.

Abuse of Public-Facing API: Mobile API Abuse

mobile security · low

Run

abusing-dpapi-for-credential-access

red teaming · high

Run

abusing-shadow-credentials-for-privesc

red teaming · high

Run

MITRE ATT&CK Techniques

TA0001 TA0043

Investigate the attack patterns behind CVE-2026-14453

Casky has 322 skills that investigate the attack patterns behind CVE-2026-14453. Run one and get CVSS-scored findings in 3 minutes.

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