CVE-2026-73509: OpenList: Authenticated users can rename files outside their base path via batch rename `src_name` traversal

CVE-2026-73509 · Severity: low · CVSS 3.1 · Published 2026-08-18

OpenList: Authenticated users can rename files outside their base path via batch rename `src_name` traversal in github.com/OpenListTeam/OpenList

Technologies: github.com/OpenListTeam/OpenList (Go), github.com/OpenListTeam/OpenList/v3 (Go), github.com/OpenListTeam/OpenList/v4 (Go). Vendors: Go.

Quick answers

Is CVE-2026-73509 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-73509 being exploited in the wild.
How severe is CVE-2026-73509?
Low severity, with a CVSS score of 3.1, published 18 August 2026.
Which products and versions are affected?
github.com/OpenListTeam/OpenList (Go) SEMVER:introduced=0; github.com/OpenListTeam/OpenList/v3 (Go) SEMVER:introduced=0; github.com/OpenListTeam/OpenList/v4 (Go) SEMVER:introduced=0,fixed=4.2.4.
Is there a fix for CVE-2026-73509?
Yes. github.com/OpenListTeam/OpenList/v4 (Go): upgrade to 4.2.4 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2026-73509?
Check whether you run github.com/OpenListTeam/OpenList (Go), github.com/OpenListTeam/OpenList/v3 (Go) or github.com/OpenListTeam/OpenList/v4 (Go) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • github.com/OpenListTeam/OpenList/v4 (Go): upgrade to 4.2.4 or later
    go get github.com/OpenListTeam/OpenList/v4@v4.2.4

Affected products

  • github.com/OpenListTeam/OpenList (Go) SEMVER:introduced=0
  • github.com/OpenListTeam/OpenList/v3 (Go) SEMVER:introduced=0
  • github.com/OpenListTeam/OpenList/v4 (Go) SEMVER:introduced=0,fixed=4.2.4

Identifiers

  • CVE-2026-73509
  • GHSA-95cv-r8x4-vh75
  • GO-2026-6110

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