# CVE-2026-18261 — Drupal Powerful Surveys

> As of 2026-08-26, CVE-2026-18261 is a MEDIUM-severity vulnerability in Drupal Powerful Surveys, CVSS v3.1 5.7, EPSS 0.1% (3.5th percentile). No Threadlinqs-tracked threat campaign has been attributed to CVE-2026-18261 as of 2026-08-26; the identifier is re-checked against the Threadlinqs threat corpus on every daily ingest.

**Last updated:** 2026-08-26

## What is CVE-2026-18261?

Vulnerability in Drupal Powerful Surveys. This issue affects Powerful Surveys versions: *.*.

The record classifies CVE-2026-18261 under weakness class [CWE-20](https://intel.threadlinqs.com/cwe/CWE-20). Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs high-privilege credentials, needs a user to take an action first, and has high impact on confidentiality, integrity. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 41 days ago.

## Severity and exploitation probability

- **CVSS v3.1 base score:** 5.7 — MEDIUM (`CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:N`)
- **EPSS (FIRST):** 0.1% probability of exploitation in the next 30 days, higher than 3.5% of all scored CVEs
- **CISA KEV:** Not listed in the CISA Known Exploited Vulnerabilities catalog
- **Threadlinqs priority:** 3/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- **Published:** 2026-08-25, last modified 2026-08-26

## Is CVE-2026-18261 being exploited?

It currently carries a trending score of 31 in the Threadlinqs vulnerability feed.

## Affected products and versions

- [Drupal](https://intel.threadlinqs.com/vendors/drupal): Powerful Surveys

## How to fix CVE-2026-18261

No vendor patch reference has been recorded for CVE-2026-18261 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.

## Threat activity tracking CVE-2026-18261

No threat campaign in the Threadlinqs corpus currently references CVE-2026-18261, in its CVE list or as an indicator. The linkage is recomputed from the live corpus on every daily ingest, so this section fills in as soon as a tracked campaign cites the identifier.

## Sources

Enriched from CVE.org, FIRST EPSS, GitHub Security Advisories. Last verified by Threadlinqs on 2026-08-26.

**Other references**

- [drupal.org](https://www.drupal.org/sa-contrib-2026-092)

Canonical: https://intel.threadlinqs.com/cve/CVE-2026-18261
Full detection coverage and IOCs for threats exploiting CVE-2026-18261 via the Threadlinqs MCP server (Purple tier): https://intel.threadlinqs.com/mcp