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CVE-2026-113652— ApostropheCMS uploadfs Azure backend leaks account-level SAS token into every public attachment URL (sas: true)

Quick assessment

Affected
apostrophecms apostrophe
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.

ApostropheCMS 是一个开源的基于 Node.js 的内容管理系统。在 1.25.0 至 1.28.0 版本中，uploadfs 的 Azure 后端会将账户级别的 SAS（共享访问签名）令牌泄露到每个公共附件的 URL 中。当 uploadfs 配置为使用 Azure 后端且启用 时， 方法会从一个嵌入了完整 SAS 查询字符串的 URL 构建 ，而 Azure SDK v12 衍生的客户端会继承该查询字符串。此问题已在 1.28.0 版本中修复。

CVSS 5.6 · Medium

Affected Version Matrix 2

VendorProduct Version RangeStatus
apostrophecms apostrophe < 4.33.0 affected
apostrophecms uploadfs >= 1.25.0, < 1.28.0 affected
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I. Basic Information for CVE-2026-113652

Vulnerability Information
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Vulnerability Title
ApostropheCMS uploadfs Azure backend leaks account-level SAS token into every public attachment URL (sas: true)
Source: CVE Program / CVE List V5
Vulnerability Description
ApostropheCMS is an open-source Node.js content management system. From 1.25.0 until 1.28.0, uploadfs Azure backend leaks account-level SAS token into every public attachment URL. When uploadfs is configured with the Azure backend and sas: true, createContainer() builds the BlobServiceClient from a URL that embeds the full SAS query string, and Azure SDK v12 derived clients inherit that query string. This issue is fixed in version 1.28.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
信息暴露
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
apostrophecms apostrophe < 4.33.0 -
apostrophecms uploadfs >= 1.25.0, < 1.28.0 -

II. Public POCs for CVE-2026-113652

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III. Intelligence Information for CVE-2026-113652

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Other References for CVE-2026-113652 (4)

Same Patch Batch · apostrophecms · 2026-10-20 · 33 CVEs total

CVE-2026-113711 7.5 HIGH ApostropheCMS: Unauthenticated resource exhaustion via pre-auth aposBigUpload processing i
CVE-2026-113658 7.5 HIGH ApostropheCMS: Unauthenticated CSV import requests leave rejected uploads in the system te
CVE-2026-113666 7.1 HIGH ApostropheCMS: Authenticated projection-exclusion prototype-member deletion in @apostrophe
CVE-2026-113653 6.9 MEDIUM ApostropheCMS: The general public can access @apostrophecms/user objects via a relationshi
CVE-2026-113649 6.5 MEDIUM ApostropheCMS: Import API bypasses publication roles for protected content
CVE-2026-112956 6.5 MEDIUM ApostropheCMS: Archive duplicate continuation lets contributors overwrite published conten
CVE-2026-112955 6.5 MEDIUM ApostropheCMS: Import archives can exhaust server storage and deny service
CVE-2026-113659 6.1 MEDIUM ApostropheCMS: Client-side Prototype Pollution in apos.http.parseQuery leading to DOM-base
CVE-2026-112953 6.0 MEDIUM ApostropheCMS: Exposure of Sensitive Information via predictable export filenames
CVE-2026-113710 5.9 MEDIUM ApostropheCMS: No Attempt Throttling on Authenticated Password-Change Endpoint Enables Unl
CVE-2026-112958 5.4 MEDIUM ApostropheCMS: Stored XSS via Unescaped Widget Style Attribute Serialization
CVE-2026-112951 5.4 MEDIUM ApostropheCMS: Color field validation bypass allows stored XSS via HTML appended after rgb
CVE-2026-113662 5.4 MEDIUM ApostropheCMS import-export: NoSQL injection via update-key value lets a crafted import ma
CVE-2026-113661 5.4 MEDIUM ApostropheCMS: Incomplete CVE-2026-53606: `meta http-equiv=refresh` `content` still ships
CVE-2026-113667 5.3 MEDIUM ApostropheCMS: CAPTCHA response token not URL-encoded
CVE-2026-113669 5.3 MEDIUM ApostropheCMS: Cross-domain session token in URL confers session takeover
CVE-2026-113670 5.3 MEDIUM ApostropheCMS: Page REST API authorization bypass
CVE-2026-113668 5.3 MEDIUM ApostropheCMS: :_id/locales REST route omits the public-API authorization gate its sibling
CVE-2026-113656 5.3 MEDIUM ApostropheCMS: Unauthenticated unbounded multipart upload → disk-exhaustion DoS
CVE-2026-113664 5.3 MEDIUM ApostropheCMS import-export tar guard misses './..' because it is a literal '../' substrin

Showing top 20 of 33 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: apostrophe
Same vendor: apostrophecms
Same weakness: CWE-200

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