CVE-2026-34393— Weblate: Privilege escalation in the user API endpoint
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I. Basic Information for CVE-2026-34393
Vulnerability Information
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Vulnerability Title
Weblate: Privilege escalation in the user API endpoint
Source: NVD (National Vulnerability Database)
Vulnerability Description
Weblate is a web based localization tool. In versions prior to 5.17, the user patching API endpoint didn't properly limit the scope of edits. This issue has been fixed in version 5.17.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
特权管理不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
Weblate 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Weblate是Weblate开源的一个 Copyleft 的基于 web 的自由软件持续本地化系统。 Weblate 5.17之前版本存在安全漏洞，该漏洞源于用户修补API端点未正确限制编辑范围。
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 |
|---|---|---|---|---|
| WeblateOrg | weblate | < 5.17 | - |
II. Public POCs for CVE-2026-34393
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · WeblateOrg · 2026-04-15 · 10 CVEs total
| CVE-2026-33435 | 8.1 HIGH | Weblate: Remote code execution during backup restoration |
| CVE-2026-34242 | 7.7 HIGH | Weblate: Arbitrary File Read via Symlink |
| CVE-2026-33220 | 6.8 MEDIUM | Weblate: JavaScript localization CDN add-on allows arbitrary local file read outside the r |
| CVE-2026-40256 | 5.0 MEDIUM | Weblate: Prefix-Based Repository Boundary Check Bypass via Symlink/Junction Path Prefix Co |
| CVE-2026-34244 | 5.0 MEDIUM | Weblate: SSRF via Project-Level Machinery Configuration |
| CVE-2026-33440 | 5.0 MEDIUM | Weblate: Authenticated SSRF via redirect bypass of ALLOWED_ASSET_DOMAINS in screenshot URL |
| CVE-2026-33214 | 4.3 MEDIUM | Weblate has improper access control for the translation memory API |
| CVE-2026-39845 | 4.1 MEDIUM | Weblate: SSRF via the webhook add-on using unprotected fetch_url() |
| CVE-2026-33212 | 3.1 LOW | Weblate: Improper access control for pending tasks in API |
IV. Related Vulnerabilities
Same product: weblate
- CVE-2026-44264
Weblate is vulnerable to XSS via crafted Markdown - CVE-2026-44263
Weblate: Private Translation Enumeration via Screenshot API - CVE-2026-41519
Weblate's API Token Not Invalidated on Password Change - CVE-2026-41654
Weblate is Vulnerable to Authenticated SSRF via Project Back - CVE-2026-40256
Weblate: Prefix-Based Repository Boundary Check Bypass via S
Same vendor: WeblateOrg
- CVE-2026-42150
wlc: print_html outputs API data without HTML escaping, enab - CVE-2026-44264
Weblate is vulnerable to XSS via crafted Markdown - CVE-2026-44263
Weblate: Private Translation Enumeration via Screenshot API - CVE-2026-41519
Weblate's API Token Not Invalidated on Password Change - CVE-2026-41654
Weblate is Vulnerable to Authenticated SSRF via Project Back
Same weakness: CWE-269
- CVE-2026-42562
Plainpad: Privilege Escalation via Writable Admin Field in P - CVE-2026-41163
bubblewrap vulnerable to privilege escalation in setuid mode - CVE-2026-44987
SysReptor: Privilege Escalation from User Admin to Superuser - CVE-2026-42185
People: Privilege Escalation via Missing Role Ceiling in Mai - CVE-2026-40001
Local privilege escalation vulnerability in ZTE PROCESS Guar
V. Comments for CVE-2026-34393
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