CVE-2026-6994— Envoy Query Parameter header_mutation.cc params.add injection
Get alerts for future matching vulnerabilitiesLog in to subscribe
I. Basic Information for CVE-2026-6994
Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗ Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.
Vulnerability Title
Envoy Query Parameter header_mutation.cc params.add injection
Source: NVD (National Vulnerability Database)
Vulnerability Description
A weakness has been identified in Envoy up to 1.33.0. Affected is the function params.add of the file source/extensions/filters/http/header_mutation/header_mutation.cc of the component Query Parameter Handler. This manipulation causes injection. Remote exploitation of the attack is possible. Patch name: f8f4f1e02fdc64ecd4acf2d903208dd7285ad3a4. It is suggested to install a patch to address this issue.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
输出中的特殊元素转义处理不恰当(注入)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Envoy Proxy 注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Envoy Proxy是Envoy Proxy开源的一个云原生高性能边缘/中间/服务代理。 Envoy Proxy 1.33.0及之前版本存在注入漏洞，该漏洞源于组件Query Parameter Handler中文件source/extensions/filters/http/header_mutation/header_mutation.cc的函数params.add，可能导致注入。
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 |
|---|---|---|---|---|
| - | Envoy | 1.0 | - |
II. Public POCs for CVE-2026-6994
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCPremium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2026-6994
请登录查看更多情报信息。
Same Patch Batch · n/a · 2026-04-25 · 5 CVEs total
| CVE-2026-6951 | 9.8 CRITICAL | Simple Git 代码注入漏洞 |
| CVE-2026-6987 | 7.3 HIGH | PicoClaw Web Launcher Management Plane restart command injection |
| CVE-2026-6983 | 4.7 MEDIUM | pagekit download server-side request forgery |
| CVE-2026-6978 | 4.7 MEDIUM | JiZhiCMS addcache.html htmlspecialchars_decode sql injection |
IV. Related Vulnerabilities
Same product: Envoy
- CVE-2026-26330
Envoy global rate limit may crash when the response phase li - CVE-2026-26311
Envoy HTTP: filter chain execution on reset streams causing - CVE-2026-26310
Crash for scoped ip address in Envoy during DNS - CVE-2026-26309
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 vendor: n/a
- CVE-2026-8276
bettercap MySQL Server mysql_server.go integer coercion - CVE-2026-8275
bettercap zerogod IPP Service zerogod_ipp_primitives.go ippR - CVE-2026-8270
Open5GS SMF ogs_nas_parse_qos_rules denial of service - CVE-2026-8269
Open5GS SMF smf_nsmf_handle_create_sm_context denial of serv - CVE-2026-8268
Open5GS SMF OpenAPI_list_create denial of service
Same weakness: CWE-74
- CVE-2025-67486
Dolibarr has an Authenticated Remote Code Execution via eval - CVE-2026-26164
M365 Copilot Information Disclosure Vulnerability - CVE-2026-7045
baomidou dynamic-datasource StandardEvaluationContext/SpelEx - CVE-2026-41319
MailKit has STARTTLS Response Injection via unflushed stream - CVE-2026-1089
User‑Controlled HTTP Header In Fortra's GoAnywhere MFT Allow
V. Comments for CVE-2026-6994
No comments yet