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

Quick assessment

Affected
rclone rclone
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在 rclone v1.75.0 之前的版本中，当发生 panic（程序异常终止）时，RC API 的错误响应会包含完整的 Go 语言堆栈跟踪信息。攻击者可以触发这些 panic 事件，从而泄露内部文件路径、模块版本、goroutine 状态以及内存地址等敏感信息。

CVSS 2.7 · Low

Affected Version Matrix 2

VendorProduct Version RangeStatus
rclone rclone < 1.75.0 affected
1.75.0 unaffected
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I. Basic Information for CVE-2026-79777

Vulnerability Information
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Vulnerability Title
rclone before v1.75.0 Information Disclosure via RC API
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
通过错误消息导致的信息暴露
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
rclone rclone 0 ~ 1.75.0 -

II. Public POCs for CVE-2026-79777

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III. Intelligence Information for CVE-2026-79777

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Vendor Advisories for CVE-2026-79777 (1)

Other References for CVE-2026-79777 (1)

Same Patch Batch · rclone · 2026-08-25 · 9 CVEs total

CVE-2026-79781 6.5 MEDIUM rclone serve s3 Path Traversal via dot-dot object keys
CVE-2026-79775 6.5 MEDIUM rclone Archive Backend SquashFS Parser Denial of Service
CVE-2026-79780 5.3 MEDIUM rclone before v1.75.0 Credential Exposure via S3 Redirect
CVE-2026-79779 5.3 MEDIUM rclone before v1.75.0 WebDAV Credential Exposure via HTTPS-to-HTTP Redirect
CVE-2026-79778 5.3 MEDIUM rclone before v1.75.0 Denial of Service via TUS nil-response panic
CVE-2026-79776 5.3 MEDIUM rclone before 1.75.0 Authentication Bypass via pprof
CVE-2026-79783 3.6 LOW rclone before 1.74.4 Privilege Escalation via setuid Metadata
CVE-2026-79782 3.1 LOW rclone before 1.74.4 Security Token Disclosure via HTTPS to HTTP Redirect

IV. Related Vulnerabilities

Same product: rclone
Same vendor: rclone
Same weakness: CWE-209

V. Comments for CVE-2026-79777

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