What is CVE-2026-79777?

CVE-2026-79777 is a low-severity vulnerability in Rclone, classified under Generation of Error Message Containing Sensitive Information. CVSS score: 2.7/10. Published 2026-08-25.

How severe is CVE-2026-79777?

Low severity. CVSS v3 base score is 2.7 out of 10.

Information disclosure in Rclone

CVE-2026-79777

rclone before v1.75.0 includes full Go stack traces in RC API error responses when panics occur. Attackers can trigger panics to leak internal file paths, module versions, goroutine states, and memory addresses.

Published 2026-08-25 · last modified 2026-09-10.

CVSS v3 metric

CVSS v3 base score 2.7 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.003 (20.8th percentile), scored 2026-10-10.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 21st percentile — 20.8% 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: 0.003 · change: +0.001

Affected products

Rclone

Weakness classification (CWE)

CWE-209 — Generation of Error Message Containing Sensitive Information

References

github.com/rclone/rclone/security/advisories/GHSA-gwfq-86j8-7qhv (vendor-advisory)
www.vulncheck.com/advisories/rclone-before-information-disclosure-via-rc-api (third-party-advisory)

Frequently asked questions

What is CVE-2026-79777?: CVE-2026-79777 is a low-severity vulnerability in Rclone, classified under Generation of Error Message Containing Sensitive Information. CVSS score: 2.7/10. Published 2026-08-25.
How severe is CVE-2026-79777?: Low severity. CVSS v3 base score is 2.7 out of 10.