Path Traversal in Better-Auth Better-Icons
CVE-2026-15527
A vulnerability has been found in better-auth better-icons up to 1.0.5. This vulnerability affects unknown code of the component scan_project_icons/sync_icon. Such manipulation of the argument icons_file leads to path traversal. An attack has to be approached locally. The exploit has been disclosed to the public and may be used. The project was informed of the problem early through an issue report but has not responded yet.
Vulnerability class: Path Traversal (Directory Traversal)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.002 (6.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 6th percentile — 6.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- Better-Auth Better-Icons — versions 1.0.0, 1.0.1, 1.0.2
Weakness classification (CWE)
References
- vuldb.com/vuln/377865 (technical-description, vdb-entry)
- vuldb.com/vuln/377865/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-15527 (third-party-advisory)
- vuldb.com/submit/854530 (third-party-advisory)
- github.com/better-auth/better-icons/issues/18 (issue-tracking, exploit)
- github.com/better-auth/better-icons/ (product)
Frequently asked questions
- What is CVE-2026-15527?
- CVE-2026-15527 is a medium-severity vulnerability in Better-Auth Better-Icons, classified under Path Traversal. CVSS score: 5.3/10. Published 2026-07-13.
- How severe is CVE-2026-15527?
- Medium severity. CVSS v3 base score is 5.3 out of 10.