THREATPORT/VULNERABILITY/CVE-2026-27760
HIGH SEVERITY

CVE-2026-27760

CVE-2026-27760 vulnerability

CVSS
8.1
EPSS
22.2%
EPSS pct
97th
Exploited
No known
OpenCATS prior to commit 3002a29 contains a PHP code injection vulnerability in the installer AJAX endpoint that allows unauthenticated attackers to execute arbitrary code by injecting PHP statements into the databaseConnectivity action parameter. Attackers can break out of the define() string context in config.php using a single quote and statement separator to inject malicious PHP code that persists and executes on every subsequent page load when the installation wizard remains incomplete.
Affected vendor
See references
Affected product
See references
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness type (CWE)
Published
2026-04-28

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, high attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 22.2% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 97% of all scored CVEs.

Check your external exposure to CVE-2026-27760

  • Confirm whether the affected software is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2026-27760.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2026-27760

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2026-27760 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

Run a free external exposure scan

Are you exposed to CVE-2026-27760?

Run an instant, non-intrusive external scan to check your attack surface for CVE-2026-27760.

Start free scan

No credit card. Agentless.

Related vulnerabilities

HIGH
CVE-2019-5060
Sdl2 Image vulnerability
HIGH
CVE-2019-3960
Wallacepos vulnerability
HIGH
CVE-2019-10185
Icedtea Web vulnerability