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CVE-2026-45296— OpenReplay: Cross-tenant information disclosure in app_apikey projectKey routes via missing tenant binding

CVSS 7.7 · High EPSS 0.23% · P14

Possible ATT&CK Techniques 1AI

T1530 · Data from Cloud Storage

Affected Version Matrix 1

VendorProductVersion RangeStatus
openreplayopenreplay< 1.26.0affected
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I. Basic Information for CVE-2026-45296

Vulnerability Information
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Vulnerability Title
OpenReplay: Cross-tenant information disclosure in app_apikey projectKey routes via missing tenant binding
Source: CVE Program / CVE List V5
Vulnerability Description
OpenReplay is a self-hosted session replay suite. Prior to 1.26.0, OpenReplay's Python API exposes several app_apikey routes that trust a caller-provided projectKey after validating only that the API key itself is valid and that the target projectKey exists. The authorization flow does not verify that the authenticated API key and the requested project belong to the same tenant. Because the public tracker design exposes projectKey to browser-side code, an attacker who owns any valid API key for their own tenant can target another tenant's project by reusing that public projectKey. The vulnerable routes allow the attacker to enumerate victim user sessions and then retrieve sensitive session event data across the tenant boundary. This vulnerability is fixed in 1.26.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
访问控制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
OpenReplay 访问控制错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
OpenReplay是OpenReplay开源的一款开发人员友好的、自托管的会话重播软件。 OpenReplay 1.26.0之前版本存在访问控制错误漏洞，该漏洞源于API密钥授权未验证项目属于同一租户，允许攻击者跨租户枚举和检索会话数据。
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

VendorProductAffected VersionsCPESubscribe
openreplayopenreplay < 1.26.0 -

II. Public POCs for CVE-2026-45296

#POC DescriptionSource LinkShenlong Link
AI-Generated POCPremium
Qwen3.6-35B-A3B · 8199 chars
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III. Intelligence Information for CVE-2026-45296

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Vendor Advisories for CVE-2026-45296 (1)

IV. Related Vulnerabilities

Same product: openreplay
Same vendor: openreplay
Same weakness: CWE-284

V. Comments for CVE-2026-45296

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