What is CVE-2026-56355?

CVE-2026-56355 is a low-severity vulnerability in GNU Savane, classified under CWE-696. CVSS score: 3.7/10. Published 2026-06-20.

How severe is CVE-2026-56355?

Low severity. CVSS v3 base score is 3.7 out of 10.

Vulnerability in GNU Savane

CVE-2026-56355

GNU Savannah Administration Savane through 3.17 uses untrusted data as part of authorization.

Published 2026-06-20 · last modified 2026-06-22.

CVSS v3 metric

CVSS v3 base score 3.7 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.004 (32.0th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 32nd percentile — 32.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

GNU Savane — versions 3.14

Weakness classification (CWE)

CWE-696

References

Frequently asked questions

What is CVE-2026-56355?: CVE-2026-56355 is a low-severity vulnerability in GNU Savane, classified under CWE-696. CVSS score: 3.7/10. Published 2026-06-20.
How severe is CVE-2026-56355?: Low severity. CVSS v3 base score is 3.7 out of 10.