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CVE-2026-25699— Apache Answer: Authorization Bypass in Timeline API

Quick assessment

Affected
Apache Software Foundation Apache Answer
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Apache Answer是美国阿帕奇（Apache）基金会的一个社区平台。 Apache Answer 2.0.0及之前版本存在安全漏洞，该漏洞源于时间线相关API缺乏适当授权检查，可能导致普通认证用户访问已删除、私有或未批准内容及其修订历史，导致私人信息泄露给未经授权的行为者。

AI Predicted 6.5 Difficulty: Easy EPSS 0.57% · P45

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage

Affected Version Matrix 1

VendorProduct Version RangeStatus
Apache Software Foundation Apache Answer ≤ 2.0.0 affected
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I. Basic Information for CVE-2026-25699

Vulnerability Information
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Vulnerability Title
Apache Answer: Authorization Bypass in Timeline API
Source: CVE Program / CVE List V5
Vulnerability Description
Exposure of Private Personal Information to an Unauthorized Actor vulnerability in Apache Answer. This issue affects Apache Answer: through 2.0.0. Timeline-related APIs lacked proper authorization checks, allowing regular authenticated users to access deleted, private, or unapproved content and its revision history. Users are recommended to upgrade to version 2.0.1, which fixes the issue.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
侵犯隐私
Source: CVE Program / CVE List V5
Vulnerability Title
Apache Answer 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apache Answer是美国阿帕奇（Apache）基金会的一个社区平台。 Apache Answer 2.0.0及之前版本存在安全漏洞，该漏洞源于时间线相关API缺乏适当授权检查，可能导致普通认证用户访问已删除、私有或未批准内容及其修订历史，导致私人信息泄露给未经授权的行为者。
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
Apache Software Foundation Apache Answer 0 ~ 2.0.0 -

II. Public POCs for CVE-2026-25699

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III. Intelligence Information for CVE-2026-25699

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Mailing List Discussions for CVE-2026-25699 (1)

Same Patch Batch · Apache Software Foundation · 2026-06-09 · 7 CVEs total

CVE-2026-49818 Apache Airflow Samba provider: Path traversal in GCSToSambaOperator via GCS object names
CVE-2026-34905 Apache Answer: Unlisted Questions Accessible via Direct API Access
CVE-2026-34033 Apache Answer: HTML Content Injection in Email
CVE-2026-34031 Apache Answer: The custom avatar was not properly validated
CVE-2026-33582 Apache Answer: Uploading specially crafted TIFF files causes an Out-of-Memory error
CVE-2026-25688 Apache Answer: XSS in AI Answer Rendering

IV. Related Vulnerabilities

Same product: Apache Answer
Same vendor: Apache Software Foundation
Same weakness: CWE-359

V. Comments for CVE-2026-25699

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