Vulnerability in SUSE openSUSE Tumbleweed

CVE-2026-41051

csync2 uses insecure temporary directories when compiled with C99 or later, allowing for TOCTOU style attacks on the temporary directories.

Vulnerability class: TOCTOU (Time-of-Check to Time-of-Use)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.0 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.001 (0.9th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 1st percentile — 0.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-41051: held from 0.001 to 0.001.

EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: +0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-41051?
CVE-2026-41051 is a medium-severity vulnerability in SUSE openSUSE Tumbleweed, classified under Time-of-check Time-of-use (TOCTOU) Race Condition. CVSS score: 5.0/10. Published 2026-05-13.
How severe is CVE-2026-41051?
Medium severity. CVSS v3 base score is 5.0 out of 10.