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CVE-2026-82348— Apache Roller: Cross-weblog resource tampering via unscoped authoring lookups

Quick assessment

Affected
Apache Software Foundation Apache Roller
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.

在 Apache Roller 6.1.5 中存在通过用户可控键值进行的访问控制绕过漏洞。该漏洞允许具备某一网志（weblog）编辑权限的已认证用户，通过基于标识符但未进行范围限制的查找操作，读取、修改或删除属于其他网志的资源。此问题影响多用户部署环境，在此类环境中，用户之间的网志应当相互隔离，而无需启用任何可选功能或非默认配置即可触发漏洞。此外，拥有某网志管理员权限的用户还可以覆盖其他网志的 Velocity 模板内容；当受害网志进行渲染时，该模板内容将被执行。建议用户升级至 Apache Roller 6.1.

CVSS 7.7 · High

Possible ATT&CK Techniques 1 AI

T1528 · Steal Application Access Token
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I. Basic Information for CVE-2026-82348

Vulnerability Information
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Vulnerability Title
Apache Roller: Cross-weblog resource tampering via unscoped authoring lookups
Source: CVE Program / CVE List V5
Vulnerability Description
Authorization Bypass Through User-Controlled Key in Apache Roller 6.1.5 allows an authenticated user with authoring rights on one weblog to read, modify, or delete resources belonging to another weblog through unscoped identifier-based lookups. This affects multi-user installations where users are intended to be isolated between weblogs; no optional feature or non-default configuration is required. A user with administrator rights on their weblog can also overwrite another weblog's Velocity template, whose content is evaluated when the victim weblog renders. Users are recommended to upgrade to Apache Roller 6.1.6 or later, which scopes authoring resource lookups to the acting weblog.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:H/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
通过用户控制密钥绕过授权机制
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Apache Software Foundation Apache Roller 6.1.5 -

II. Public POCs for CVE-2026-82348

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III. Intelligence Information for CVE-2026-82348

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Other References for CVE-2026-82348 (2)

Same Patch Batch · Apache Software Foundation · 2026-09-28 · 20 CVEs total

CVE-2026-82377 9.9 CRITICAL Apache Roller: Missing weblog authorization in XML-RPC Blogger/MetaWeblog handlers
CVE-2026-82384 9.8 CRITICAL Apache Roller: Unauthenticated deserialization in the XML-RPC endpoint
CVE-2026-82378 9.0 CRITICAL Apache Roller: OAuth authorization endpoint trusts request-supplied identity
CVE-2026-82383 8.2 HIGH Apache Roller: Anonymous setup action allows frontpage configuration tampering
CVE-2026-82380 8.1 HIGH Apache Roller: CSRF protection bypass via self-generated salt validation
CVE-2026-82379 7.7 HIGH Apache Roller: WSSE digest authentication headers can be replayed
CVE-2026-82386 7.7 HIGH Apache Roller: XML external entity processing in OPML bookmark import
CVE-2026-82376 7.7 HIGH Apache Roller: XML external entity processing in trackback response parser
CVE-2026-82375 7.4 HIGH Apache Roller: Server-side request forgery via entry trackback and enclosure URLs
CVE-2026-82385 6.5 MEDIUM Apache Roller: Weblog template include escapes the Velocity sandbox and reads classpath fi
CVE-2026-91206 6.1 MEDIUM Apache Roller: Reflected XSS in the optional LDAP comment authenticator
CVE-2026-91204 6.1 MEDIUM Apache Roller: Stored javascript: URI in HTML comments
CVE-2026-82546 6.1 MEDIUM Apache Roller: Stored cross-site scripting through incoming Trackback links
CVE-2026-82382 6.1 MEDIUM Apache Roller: Reflected cross-site scripting in the frontpage directory parameter
CVE-2026-86507 6.1 MEDIUM Apache Roller: Stored XSS in comment moderation via comment author URL
CVE-2026-82381 5.4 MEDIUM Apache Roller: Stored cross-site scripting in the authoring UI
CVE-2026-82387 5.4 MEDIUM Apache Roller: Stored cross-site scripting via uploaded media content type
CVE-2026-90979 Apache Karaf: LDAP filter injection in JAAS LDAP login modules
CVE-2026-91006 Apache Karaf: OS Command Injection in Child-Instance Launch (instance:* / InstancesMBean)

IV. Related Vulnerabilities

Same product: Apache Roller
Same vendor: Apache Software Foundation
Same weakness: CWE-639

V. Comments for CVE-2026-82348

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