What is CVE-2026-1556?

CVE-2026-1556 is a medium-severity vulnerability in Deciphered Filefield Paths, classified under Information Disclosure. CVSS score: 6.5/10. Published 2026-03-26.

How severe is CVE-2026-1556?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Information disclosure in Deciphered Filefield Paths

CVE-2026-1556

Information disclosure in the file URI processing of File (Field) Paths in Drupal File (Field) Paths 7.x prior to 7.1.3 on Drupal 7.x allows authenticated users to disclose other users’ private files via filename‑collision uploads. This can cause hook_node_insert() consumers (for example, email attachment modules) to receive the wrong file URI, bypassing normal access controls on private files.

Vulnerability class: Information Disclosure

EPSS: 0.004 (31.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

Affected products

Deciphered Filefield_paths
Drupal File (Field) Paths — versions 7.x-1.0

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

mlhess@drupal.org (Exploit, Third Party Advisory, Mitigation, third-party-advisory)
mlhess@drupal.org (Third Party Advisory, third-party-advisory)

Frequently asked questions

What is CVE-2026-1556?: CVE-2026-1556 is a medium-severity vulnerability in Deciphered Filefield Paths, classified under Information Disclosure. CVSS score: 6.5/10. Published 2026-03-26.
How severe is CVE-2026-1556?: Medium severity. CVSS v3 base score is 6.5 out of 10.