CVE-2026-42507
5.3
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Summary
When returning errors, functions in the net/textproto package would include its input as part of the error. This might allow an attacker to inject misleading content to errors that are printed or logged.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Go standard library | net/textproto | 0 < 1.25.11 | affected |
| Go standard library | net/textproto | 1.26.0-0 < 1.26.4 | affected |
Weaknesses
- CWE-532: Insertion of Sensitive Information into Log File
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: yes
- Technical Impact: partial
References
- https://go.dev/issue/79346
- https://go.dev/cl/777060
- https://groups.google.com/g/golang-announce/c/tKs3rmcBcKw
- https://pkg.go.dev/vuln/GO-2026-5039
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