CVE-2025-2886

Terminating targets role delegations are not respected in tough

Published Mar 27, 2025 CVSS 4.0 · 5.7 Medium EPSS < 1% KEV · Not listed
Description
Missing validation of terminating delegation causes the client to continue searching the defined delegation list, even after searching a terminating delegation. This could cause the client to fetch a target from an incorrect source, altering the target contents. Users should upgrade to tough version 0.20.0 or later and ensure any forked or derivative code is patched to incorporate the new fixes.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2025-8665 Missing validation of terminating delegation causes the client to continue searching the defined delegation list, even after searching a terminating delegation. This could cause the client to fetch a target from an incorrect source, altering the target contents. Users should upgrade to tough version 0.20.0 or later and ensure any forked or derivative code is patched to incorporate the new fixes.
Github GHSA Github GHSA GHSA-v4wr-j3w6-mxqc tough terminating targets role delegations are not respected
History
Type Values Removed Values Added
First Time appeared Amazon
Amazon tough
CPEs cpe:2.3:a:amazon:tough:*:*:*:*:*:rust:*:*
Vendors & Products Amazon
Amazon tough
Metrics cvssV3_1

{'score': 4.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:H/A:N'}

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Missing validation of terminating delegation causes the client to continue searching the defined delegation list, even after searching a terminating delegation. This could cause the client to fetch a target from an incorrect source, altering the target contents. Users should upgrade to tough version 0.20.0 or later and ensure any forked or derivative code is patched to incorporate the new fixes.
Title Terminating targets role delegations are not respected in tough
Weaknesses CWE-670
References
Metrics cvssV4_0

{'score': 5.7, 'vector': 'CVSS:4.0/AV:N/AC:H/AT:N/PR:H/UI:P/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
AMZN
Published
Updated
Oct 14, 2025, 6:23 PM
Reserved
Mar 27, 2025, 9:08 PM
Status
Modified
Published
Mar 27, 2025, 11:15 PM
Modified
Jun 17, 2026, 9:07 AM