CVE-2026-15996: enterprise server before 3.17.16 (exclusive), from 3.18.0 (inclusive), before 3.18.10 (exclusive), from 3.19.0…

Affected technology

enterprise server · before 3.17.16 (exclusive)
github

enterprise server · from 3.18.0 (inclusive), before 3.18.10 (exclusive)
github

enterprise server · from 3.19.0 (inclusive), before 3.19.7 (exclusive)
github

enterprise server · from 3.20.0 (inclusive), before 3.20.3 (exclusive)
github

Enterprise Server · 3.17.0 through 3.17.15; status changes: 3.17.16 — unaffected, 3.18.0 through 3.18.9; status changes: 3.18.10 — unaffected, 3.19.0 through 3.19.6; status changes: 3.19.7 — unaffected, 3.20.0 through 3.20.2; status changes: 3.20.3 — unaffected
GitHub

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 4.0): Network (remote) · No privileges required · No user interaction required

What an attacker can do

The source reports that an attacker could disrupt service. Vendor/CNA’s CVSS 4.0 assessment (base score 6.6/10) rates confidentiality and integrity impact as none; availability impact as high.