[NEW] [medium] Drupal Modules: Multiple Vulnerabilities
An attacker can exploit multiple vulnerabilities in Drupal to conduct a cross-site scripting attack, bypass security measures, disclose confidential information, and perform further unspecified attacks.
CSIRTS triage
- What
- Multiple vulnerabilities allow an attacker to conduct cross-site scripting attacks, bypass security measures, and disclose confidential information.
- Who is affected
- Deployments of affected Drupal modules are at risk.
- Urgency
- Remediation is medium urgency as these vulnerabilities could lead to various attacks.
- Action
- Update all affected Drupal modules to their latest versions.
AI-assisted analysis generated from the source advisory — verify against the original.
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Details
Original advisory: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-2474
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2026-166380.15% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 4% of all EPSS-scored CVEs.
- Low exploitation riskCVE-2026-166390.35% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 28% of all EPSS-scored CVEs.
- Low exploitation riskCVE-2026-166400.15% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 4% of all EPSS-scored CVEs.
- Low exploitation riskCVE-2026-166440.31% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 24% of all EPSS-scored CVEs.
- Low exploitation riskCVE-2026-166450.23% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 14% of all EPSS-scored CVEs.
- Low exploitation riskCVE-2026-150880.19% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 8% of all EPSS-scored CVEs.
- Low exploitation riskCVE-2026-166410.29% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 21% of all EPSS-scored CVEs.
- Low exploitation riskCVE-2026-166420.19% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 8% of all EPSS-scored CVEs.
- Low exploitation riskCVE-2026-166430.19% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 8% of all EPSS-scored CVEs.
- Low exploitation riskCVE-2026-166460.17% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 6% of all EPSS-scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-16638 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-16639 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-16640 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-16644 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-16645 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-15088 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-16641 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-16642 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-16643 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-16646 | coverage & exploitation status | NVD · CVE.org |
Same CVEs, other sources
How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.
- mediumCVE-2026-16646: Vulnerability in Drupal PanKM. This issue affects PanKM versions: *.*.nvd
- criticalCVE-2026-16645: Missing Authorization vulnerability in Drupal PhotoSwipe - Responsive JavaScript Modal Image G…nvd
- criticalCVE-2026-16644: Incorrect Authorization vulnerability in Drupal Webform REST allows Forceful Browsing. This is…nvd
- mediumCVE-2026-16643: Vulnerability in Drupal Lunr exposed filters. This issue affects Lunr exposed filters versions…nvd
- mediumCVE-2026-16642: Vulnerability in Drupal Email Login OTP. This issue affects Email Login OTP versions: *.*.nvd
- criticalCVE-2026-16641: Vulnerability in Drupal Commerce Elavon. This issue affects Commerce Elavon versions: *.*.nvd
- mediumCVE-2026-16640: Improper Neutralization of Input During Web Page Generation ("Cross-site Scripting") vulnerabi…nvd
- criticalCVE-2026-16639: Authentication Bypass Using an Alternate Path or Channel vulnerability in Drupal International…nvd
- mediumCVE-2026-16638: Improper Neutralization of Input During Web Page Generation ("Cross-site Scripting") vulnerabi…nvd
- mediumCVE-2026-15088: Vulnerability in Drupal Development Environment. This issue affects Development Environment ve…nvd
Recent advisories for Drupal Modules
A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.
- high[NEW] [UNPATCHED] [high] Drupal Module: Multiple vulnerabilities enable unspecified attackcert-bund · 2026-09-03
- medium[NEW] [medium] Drupal Module: Multiple vulnerabilitiescert-bund · 2026-09-03
- medium[NEW] [medium] Drupal Module: Multiple Vulnerabilitiescert-bund · 2026-09-03
- high[NEW] [high] Drupal Modules: Multiple vulnerabilitiescert-bund · 2026-07-23
- high[UPDATE] [high] Drupal Modules: Multiple vulnerabilities allow data manipulationcert-bund · 2026-07-13
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