What is CVE-2021-38148?

CVE-2021-38148 is a critical-severity vulnerability in Obsidian. CVSS score: 9.8/10. Published 2021-08-07.

How severe is CVE-2021-38148?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Obsidian

CVE-2021-38148

Obsidian before 0.12.12 does not require user confirmation for non-http/https URLs.

Published 2021-08-07 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.012 (68.0th percentile), scored 2026-10-12.

Low probability of exploitation in the next 30 days, but still tracked. 68th percentile — 68.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000

Affected products

Obsidian

References

forum.obsidian.md/t/obsidian-release-v0-12-12/21564 (Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2021-38148?: CVE-2021-38148 is a critical-severity vulnerability in Obsidian. CVSS score: 9.8/10. Published 2021-08-07.
How severe is CVE-2021-38148?: Critical severity. CVSS v3 base score is 9.8 out of 10.