CVE-2025-11065

A flaw was found in github.com/go-viper/mapstructure/v2, in the field processing component using mapstructure.WeakDecode. This vulnerability allows information disclosure through detailed error messages that may leak sensitive input values via malformed user-supplied data processed in security-critical contexts.

CVSS v3.1

5.3 MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N

CVSS v3.1

5.3 MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N

EPSS

0.36% chance of exploitation in the next 30 days, 29th percentile

Published

2026-01-26

Updated

2026-06-29

Proof-of-concept exploits (1)

• advisories/GHSA-2464-8j7c-4cjm

References

• CVE Record
• NVD entry

Related

• CVE-2025-11064
• CVE-2025-11066
• CVE-2025-11063
• CVE-2025-11067
• CVE-2025-11062
• CVE-2025-11068