CVE-2025-47951— Weblate lacks rate limiting when verifying second factor
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I. Basic Information for CVE-2025-47951
Vulnerability Information
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Vulnerability Title
Weblate lacks rate limiting when verifying second factor
Source: NVD (National Vulnerability Database)
Vulnerability Description
Weblate is a web based localization tool. Prior to version 5.12, the verification of the second factor was not subject to rate limiting. The absence of rate limiting on the second factor endpoint allows an attacker with valid credentials to automate OTP guessing. This issue has been patched in version 5.12.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
过多认证尝试的限制不恰当
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 5.12之前版本存在安全漏洞，该漏洞源于第二因素验证未进行速率限制，可能导致OTP猜测。
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 | < 5.12 | - |
II. Public POCs for CVE-2025-47951
| # | POC Description | Source Link | Shenlong Link |
|---|
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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-307
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Signal K Server's WebSocket Login Endpoint Lacks Rate Limiti - CVE-2025-2514
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OpenEMR 7.0.1 Authentication Brute Force Mitigation Bypass - CVE-2026-7671
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V. Comments for CVE-2025-47951
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