CVE-2026-16638

MEDIUMPre-NVD 6.16.1—
EchelonGraph scoreHIGH confidence

Score 6.1 from GitHub Security Advisory published 2026-08-26. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 6.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 5 sources updated this week
6.1EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 6.1Exploit: None knownExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

Improper Neutralization of Input During Web Page Generation ("Cross-site Scripting") vulnerability in Drupal Media Folders allows Stored XSS. This issue affects Media Folders versions: from 0.0.0 to 1.0.8.

CVSS v3
6.1
EG Score
6.1(high)
EG Risk
28(Track)
EG Risk 28/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity61% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
4%
KEV
Not listed

Published

August 25, 2026

Last Modified

August 28, 2026

Advisory Details (1)

Auto-updated Aug 26, 2026
No patch confirmed yet.
generic

Media Folders - Moderately critical - Cross site scripting - SA-CONTRIB-2026-080 | Drupal.org

https://www.drupal.org/sa-contrib-2026-080

Vendor Advisories for CVE-2026-16638(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 19× in last 7d / 19× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-08-30 01:22 UTCEPSS rescore
  2. 2026-08-29 14:28 UTCEG score recompute
  3. 2026-08-29 14:28 UTCGHSA enrichment
  4. 2026-08-28 21:41 UTCEPSS rescore
  5. 2026-08-28 15:50 UTCEG score recompute
  6. 2026-08-28 15:49 UTCGHSA enrichment
  7. 2026-08-28 13:14 UTCGHSA enrichment
  8. 2026-08-27 14:36 UTCEG score recompute
  9. 2026-08-27 14:35 UTCGHSA enrichment
  10. 2026-08-27 14:25 UTCEPSS rescore
  11. 2026-08-26 15:56 UTCEG score recompute
  12. 2026-08-26 15:56 UTCGHSA enrichment
  13. 2026-08-26 14:46 UTCEPSS rescore
  14. 2026-08-26 14:44 UTCEG score recompute▲ 6.10
  15. 2026-08-26 14:44 UTCGHSA enrichment
  16. 2026-08-26 14:41 UTCMITRE cvelistV5CVSS v3 → 6.1 · severity → MEDIUM
  17. 2026-08-25 23:30 UTCNVD update
  18. 2026-08-25 22:35 UTCEG score recompute
  19. 2026-08-25 22:34 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-16638?
CVE-2026-16638 is a medium vulnerability published on August 25, 2026. Improper Neutralization of Input During Web Page Generation ("Cross-site Scripting") vulnerability in Drupal Media Folders allows Stored XSS. This issue affects Media Folders versions: from 0.0.0 to 1.0.8.
When was CVE-2026-16638 disclosed?
CVE-2026-16638 was first published in the National Vulnerability Database on August 25, 2026, with the most recent update on August 28, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-16638 actively exploited?
CVE-2026-16638 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 95.6% of all scored CVEs.
What is the CVSS score of CVE-2026-16638?
CVE-2026-16638 has a CVSS v3.1 base score of 6.1 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-16638?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-16638, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2026-16638

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