Vulnerability in Amazon Tough
CVE-2025-2886
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.
EPSS: 0.003 (24.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:H/A:N.
Affected products
- Amazon Tough
- Aws Tough — versions 0.1.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- ff89ba41-3aa1-4d27-914a-91399e9639e5 (vendor-advisory, Vendor Advisory)
- ff89ba41-3aa1-4d27-914a-91399e9639e5 (vendor-advisory, Vendor Advisory)
- ff89ba41-3aa1-4d27-914a-91399e9639e5 (patch)
Frequently asked questions
- What is CVE-2025-2886?
- CVE-2025-2886 is a medium-severity vulnerability in Amazon Tough, classified under Always-Incorrect Control Flow Implementation. CVSS score: 4.5/10. Published 2025-03-27.
- How severe is CVE-2025-2886?
- Medium severity. CVSS v3 base score is 4.5 out of 10.
- Is CVE-2025-2886 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.