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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.

Rclone是Rclone团队开源的一款命令行云存储文件同步工具。 Rclone 1.75.0之前版本存在信息泄露漏洞，该漏洞源于在RC API错误响应中包含完整的Go堆栈跟踪信息，可能导致攻击者触发panic泄露内部文件路径、模块版本、goroutine状态和内存地址。

CVSS 2.7 · Low EPSS 0.30% · P21

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
Vulnerability Title
Rclone 信息泄露漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Rclone是Rclone团队开源的一款命令行云存储文件同步工具。 Rclone 1.75.0之前版本存在信息泄露漏洞，该漏洞源于在RC API错误响应中包含完整的Go堆栈跟踪信息，可能导致攻击者触发panic泄露内部文件路径、模块版本、goroutine状态和内存地址。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

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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