What’s Vulnerable › Vulnerabilities

CVE-2025-22868: Unexpected memory consumption during token parsing in golang.org/x/oauth2

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-02-26 · updated 2026-06-17
• Weakness: CWE-1286

Description

An attacker can pass a malicious malformed token which causes unexpected memory to be consumed during parsing.

Affected products

• golang.org/x/oauth2/jws: before 0.27.0 — fixed in 0.27.0
• Golang.Org/X/Oauth2: before 0.27.0 — fixed in 0.27.0

How to fix

Upgrade to a fixed version: golang.org/x/oauth2/jws 0.27.0; Golang.Org/X/Oauth2 0.27.0. Check the vendor advisory for mitigations.

References

• https://go.dev/cl/652155
• https://go.dev/issue/71490
• https://pkg.go.dev/vuln/GO-2025-3488

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