CVE-2022-29226— Trivial authentication bypass in Envoy
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I. Basic Information for CVE-2022-29226
Vulnerability Information
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Vulnerability Title
Trivial authentication bypass in Envoy
Source: NVD (National Vulnerability Database)
Vulnerability Description
Envoy is a cloud-native high-performance proxy. In versions prior to 1.22.1 the OAuth filter implementation does not include a mechanism for validating access tokens, so by design when the HMAC signed cookie is missing a full authentication flow should be triggered. However, the current implementation assumes that access tokens are always validated thus allowing access in the presence of any access token attached to the request. Users are advised to upgrade. There is no known workaround for this issue.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
关键功能的认证机制缺失
Source: NVD (National Vulnerability Database)
Vulnerability Title
Envoy 访问控制错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Envoy是一款开源的分布式代理服务器。 Envoy 1.22.1 之前的版本存在访问控制错误漏洞，该漏洞源于允许在存在附加请求的访问令牌的情况下进行访问。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| envoyproxy | envoy | < 1.22.1 | - |
II. Public POCs for CVE-2022-29226
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|---|
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- https://github.com/envoyproxy/envoy/security/advisories/GHSA-h45c-2f94-prxhx_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2022-29226
Same Patch Batch · envoyproxy · 2022-06-09 · 5 CVEs total
| CVE-2022-29227 | 7.5 HIGH | Use after free in Envoy |
| CVE-2022-29228 | 7.5 HIGH | Reachable assertion in Envoy |
| CVE-2022-29225 | 7.5 HIGH | Zip bomb vulnerability in Envoy |
| CVE-2022-29224 | 5.9 MEDIUM | Segmentation fault leading to crash in Envoy |
IV. Related Vulnerabilities
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Envoy HTTP: filter chain execution on reset streams causing - CVE-2026-26310
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Envoy has an off-by-one write in JsonEscaper::escapeString() - CVE-2026-26308
Envoy has an RBAC Header Validation Bypass via Multi-Value H
Same weakness: CWE-306
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