CVE-2026-42507
Arbitrary inputs are included in errors without any escaping in net/textproto
5.3
MEDIUM
CVSS 3.1
EPSS 0.03%
Description
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.
How to fix CVE-2026-42507
To remediate CVE-2026-42507, upgrade the affected package to a fixed version below.
- Bitnami/golang—upgrade to 1.25.11 or later
- —no fix listed
- —no fix listed
- —no fix listed
- —upgrade to 1.25.11-1 or later
- —upgrade to 1.26.4-1 or later
- —upgrade to 1.25.11 or later
Is CVE-2026-42507 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (7)
- from 0, < 1.25.11, >= 1.26.0-0, < 1.26.4
- from 0
- from 0
- from 0
- from 0, < 1.25.11-1
- from 0, < 1.26.4-1
- from 0, < 1.25.11, >= 1.26.0-0, < 1.26.4
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| nvd | CVSS 3.1 | MEDIUM5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N |
| osv | CVSS 3.1 | MEDIUM5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N |