What is CVE-2026-31839?

CVE-2026-31839 is a high-severity vulnerability in Striae, classified under Improper Validation of Integrity Check Value. CVSS score: 8.2/10. Published 2026-03-11.

How severe is CVE-2026-31839?

High severity. CVSS v3 base score is 8.2 out of 10.

Vulnerability in Striae

CVE-2026-31839

Striae is a firearms examiner's comparison companion. A high-severity integrity bypass vulnerability existed in Striae's digital confirmation workflow prior to v3.0.0. Hash-only validation trusted manifest hash fields that could be modified together with package content, allowing tampered confirmation packages to pass integrity checks. This vulnerability is fixed in 3.0.0.

Published 2026-03-11 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N.

EPSS exploit prediction

EPSS: 0.002 (6.4th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 6th percentile — 6.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.001 · newest: 0.002 · change: +0.001

Affected products

Striae
Striae-Org Striae — versions >= 0.9.22-0, < 3.0.0

Weakness classification (CWE)

CWE-354 — Improper Validation of Integrity Check Value

References

github.com/striae-org/striae/security/advisories/GHSA-mmf8-487q-p45m (Vendor Advisory)
github.com/striae-org/striae/releases/tag/v3.0.0 (Release Notes)

Frequently asked questions

What is CVE-2026-31839?: CVE-2026-31839 is a high-severity vulnerability in Striae, classified under Improper Validation of Integrity Check Value. CVSS score: 8.2/10. Published 2026-03-11.
How severe is CVE-2026-31839?: High severity. CVSS v3 base score is 8.2 out of 10.