rclone local: crafted Range request against a translated symlink panics (DoS)

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-88015
StatePUBLISHED
AssignerGitHub_M
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-10 16:18:08 UTC
Updated2026-09-10 16:18:08 UTC
Descriptionrclone is a command-line program to sync files and directories to and from different cloud storage providers. Prior to 1.75.1, backend/local with --links or links=true exposes symlink targets as .rclonelink objects, and fs.RangeOption.Decode can pass an unchecked positive Range start through Object.Open and openTranslatedLink. The function slices the target string as linkdst[offset:], so a Range start larger than the target length causes a deterministic slice-bounds panic when lib/http/serve exposes the object through HTTP or WebDAV. Go net/http normally recovers the panic per connection, causing request-level denial of service rather than terminating the entire process. This issue is fixed in version 1.75.1.

Risk And Classification

Primary CVSS: v3.1 5.3 MEDIUM from [email protected]

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Problem Types: CWE-190 | CWE-248 | CWE-190 CWE-190: Integer Overflow or Wraparound | CWE-248 CWE-248: Uncaught Exception

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary5.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
3.1CNADECLARED5.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Rclone Rclone affected < 1.75.1 Not specified

References

ReferenceSourceLinkTags
github.com/rclone/rclone/commit/28bf49d66f94acc3f4f7f318504a706686281af9 [email protected] github.com
github.com/rclone/rclone/security/advisories/GHSA-p6m2-r3w9-mpxw 134c704f-9b21-4f2e-91b3-4a467353bcc0 github.com
github.com/rclone/rclone/releases/tag/v1.75.1 [email protected] github.com
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