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CVE-2026-108770— Appwrite Browser Screenshot Service Get.php PublicHostname server-side request forgery

Quick assessment

Affected
n/a Appwrite
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 Appwrite 2.3.0 及更早版本中发现了一个弱点。此漏洞影响组件“浏览器截图服务（Browser Screenshot Service）”中文件 的 函数。对参数 的操作可导致服务器端请求伪造（SSRF）漏洞。攻击者可以远程发起攻击。升级到 2.4.0 版本可解决此问题。补丁名称为：393255e7302ae5503331d45802e2eee01c6a47fe。建议升级受影响的组件。

CVSS 5.3 · Medium EPSS 0.41% · P33

Affected Version Matrix 5

VendorProduct Version RangeStatus
n/a Appwrite 2.0 affected
2.1 affected
2.2 affected
2.3.0 affected
2.4.0 unaffected
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I. Basic Information for CVE-2026-108770

Vulnerability Information
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Vulnerability Title
Appwrite Browser Screenshot Service Get.php PublicHostname server-side request forgery
Source: CVE Program / CVE List V5
Vulnerability Description
A weakness has been identified in Appwrite up to 2.3.0. This vulnerability affects the function PublicHostname of the file src/Appwrite/Platform/Modules/Avatars/Http/Screenshots/Get.php of the component Browser Screenshot Service. This manipulation of the argument url causes server-side request forgery. The attack can be initiated remotely. Upgrading to version 2.4.0 is able to resolve this issue. Patch name: 393255e7302ae5503331d45802e2eee01c6a47fe. You should upgrade the affected component.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
服务端请求伪造(SSRF)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
- Appwrite 2.0 cpe:2.3:a:appwrite:appwrite:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-108770

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III. Intelligence Information for CVE-2026-108770

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Patches & Fixes for CVE-2026-108770 (2)

News Coverage for CVE-2026-108770 (1)

Vendor Pages for CVE-2026-108770 (2)

Same Patch Batch · n/a · 2026-10-11 · 4 CVEs total

CVE-2026-108539 6.3 MEDIUM GPAC MP4Box filter_queue.c gf_fq_pop use after free
CVE-2026-108538 6.3 MEDIUM GPAC MP4Box os_thread.c gf_mx_v use after free
CVE-2026-108572 4.3 MEDIUM Casdoor Proxy Validation cas.go CasP3ProxyValidate server-side request forgery

IV. Related Vulnerabilities

Same product: Appwrite
Same vendor: n/a
Same weakness: CWE-918

V. Comments for CVE-2026-108770

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