CVE-2026-42507
Arbitrary inputs are included in errors without any escaping in net/textproto
Vexday Risk Score
13Low
SSVC decision (CISA)
Track
No exploitation signal → monitor
CVSS 5.3EPSS 0.4%KEV nãoPoC —Nuclei —Metasploit —Patch —
Lifecycle
02 Jun 2026Published on NVD
Recommendation: Monitor — no exploitation signal at the moment.
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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Affected products
Go standard library · net/textprotoWant to know if your infrastructure is exposed to this?
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