Medium · CVSS 5.4CVE-2026-85976

HTTP response splitting in Progress MarkLogic Server Query ConsoleCVE-2026-85976

Answer in brief

CVE-2026-85976 records a Medium severity (CVSS 5.4) vulnerability in HTTP response splitting in Progress MarkLogic Server Query Console. The current sources do not mark it as known exploited. The current feed maps Progress Software Corporation/MarkLogic Server (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Oct 12, 2026Updated Oct 12, 2026Source checked Oct 12, 2026First seen by HOL Oct 12, 2026Material review Oct 12, 2026

Upstream Advisory

Key facts

Risk: Medium · CVSS 5.4
Exploitation: Not marked as known exploited
Affected software: 1 mapped package or product
Fix availability: Available

Why this deserves its current priority

CVSS is 5.4. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Progress Software Corporation/MarkLogic Server (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
Progress Software Corporation/MarkLogic Servergeneric	>=11.0.0 <11.3.7 \|\| >=12.0.0 <12.1.0	11.3.7, 12.1.0

Recommended response

Check inventory. Check lockfiles and deployed manifests for Progress Software Corporation/MarkLogic Server.
Review the reported fix. Update Progress Software Corporation/MarkLogic Server to 11.3.7 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

Published upstream
Oct 12, 2026
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Oct 12, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Oct 12, 2026

Sources and claim methodology

Source referencecommunity.progress.com

Upstream source 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.

Quoted source text, attributed separately from HOL analysis.