🛡️ CVE-2026-42508 on Go (Root.io) — crypto

🟠 CVSS 8.0 — High ✅ No Known Exploit OSV

8.0

CVSS Score

0 Low4 Medium7 High9 Critical10

Description

CVE-2026-42508 in rootio-golang.org/x/crypto - Patched by Root

Root has patched CVE-2026-42508 in the rootio-golang.org/x/crypto package for Root:Go. Multiple fixed versions available.

Distribution advisory

This page covers CVE-2026-42508 as tracked by Go (Root.io), for the package crypto. The fix is available in version v0.46.0-aikido.2; earlier versions remain affected.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity high, availability none. (rating taken from the base CVE record.)

Weakness class

ROOT-APP-GOBINARY-CVE-2026-42508 is classified as CWE-295: Improper Certificate Validation. A TLS certificate is accepted without proper verification, so a man-in-the-middle can present their own.

Affected software

ROOT-APP-GOBINARY-CVE-2026-42508 is recorded against 2 packages.

golang.org/x/crypto (fixed in v0.46.0-aikido.2)
rootio-golang.org/x/crypto (fixed in v0.46.0-root.io.2)

Timeline and source

Published on 1 July 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.

CVE-2026-42508 on other distributions

Each distribution ships its own build and its own fixed version. Pick the one you run:

BellSoft Base record Debian Ubuntu

Details

Severity HIGH

CVSS Score 8.0

CVSS Vector N/A

CWE N/A

Public Exploit ✅ No

Source OSV

Published 2026-07-01

Updated 2026-08-12

Modified 2026-07-01

Fix URL N/A

Affected Packages

Software	From version	Fixed in
golang.org/x/crypto	—	v0.46.0-aikido.2
rootio-golang.org/x/crypto	—	v0.46.0-root.io.2

References

N/A

🔗 NVD 🔗 Mitre

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