Vulnerability · Published Oct 12, 2026 · Assigned by ProgressSoftware
CVE-2026-85976HTTP response splitting in Progress MarkLogic Server Query Console
Medium 5.4
In plain English
A medium-severity security flaw in MarkLogic Server from Progress Software Corporation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 3% of all known vulnerabilities).
Severity (CVSS 3.1)5.4Medium
Exploit odds (30 days)0.1%top 96.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Progress MarkLogic Server 12.x releases before 12.1.0 and 11.x releases before 11.3.7 do not sufficiently sanitize input used by the Query Console file-exploration endpoint, which could allow HTTP response splitting and unintended client-side response handling.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Progress Software Corporation | MarkLogic Server | 11.0.0 – before 11.3.712.0.0 – before 12.1.0 |
Weakness: CWE-113 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N