CVE-2026-6968

HIGH EPSS 40.2%
Published Apr 24, 20262mo ago · Modified Jun 17, 20262w ago
7.1 CVSS 4.0
High
Find Similar
Published Apr 24, 2026 2mo ago
Last Modified Jun 17, 2026 2w ago

Description

Incomplete path traversal fixes in awslabs/tough before tough-v0.22.0 allow remote authenticated users with delegated signing authority to write files outside intended output directories via absolute target names in copy_target/link_target, symlinked parent directories in save_target, or symlinked metadata filenames in SignedRole::write, because write paths trust the joined destination path without post-resolution containment verification. We recommend you upgrade to tough-v0.22.0 / tuftool-v0.15.0.

CVSS Details

Base Score
7.1
Exploitability
—
Impact
—
Vector string
CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:H/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector Network
Attack Complexity High
Privileges Required Low
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
40.2% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-22 Path Traversal Resource Mgmt

Affected Products 2

VendorProductVersionRange
amazontough*≥0.9.0  –  <0.22.0
amazontuftool* <0.15.0

References 6

  • aws.amazon.com https://aws.amazon.com/security/security-bulletins/2026-019-aws/
    Vendor Advisory
  • crates.io https://crates.io/crates/tough/0.22.0
    Product
  • crates.io https://crates.io/crates/tuftool/0.15.0
    Product
  • github.com https://github.com/awslabs/tough/releases/tag/tough-v0.22.0
    Release Notes
  • github.com https://github.com/awslabs/tough/releases/tag/tuftool-v0.15.0
    Release Notes
  • github.com https://github.com/awslabs/tough/security/advisories/GHSA-v57p-gppj-p9vg
    Vendor Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.