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CVE-2026-48084— OpenReception doesn't rate limit passphrase login attempts

Quick assessment

Affected
open-reception appointment-booking-software
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

open-reception appointment-booking-software是open-reception组织的一款预约安排软件。 open-reception appointment-booking-software 1.0.2之前版本存在授权问题漏洞，该漏洞源于在/api/auth/login接口中未限制失败口令登录尝试次数，可能导致攻击者进行撞库和字典攻击，进而未经授权访问账户。

CVSS 7.4 · High EPSS 0.39% · P30

Affected Version Matrix 1

VendorProduct Version RangeStatus
open-reception appointment-booking-software < 1.0.2 affected
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I. Basic Information for CVE-2026-48084

Vulnerability Information
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Vulnerability Title
OpenReception doesn't rate limit passphrase login attempts
Source: CVE Program / CVE List V5
Vulnerability Description
OpenReception's appointment booking software provides an end-to-end encrypted appointment booking platform. Versions prior to 1.0.2 don't throttle failed passphrase login attempts. An attacker can submit unlimited wrong passphrase guesses against any known email address, capped only by the Argon2 verification cost (about 100 milliseconds per attempt on the tested host, giving 10 attempts per second sustained). The same backend implements a working per-account throttle on the WebAuthn challenge endpoint, which returns HTTP 429 after roughly 19 attempts. The passphrase branch simply does not invoke that throttle, leaving a supported high-value login path unprotected against credential stuffing and dictionary attacks. The asymmetry confirms this is an oversight rather than a design choice. The throttle infrastructure exists, is wired into the same auth backend, and works on the WebAuthn path. The passphrase branch in `/api/auth/login` was not updated to record failed attempts. Combined with the application's minimum-passphrase policy (12 characters, no entropy or dictionary checks), accounts using common base patterns such as `Spring2026!XX` or words from a leak corpus are realistically reachable in days on a single CPU, hours on a small GPU farm. Version 1.0.2 patches the issue.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
过多认证尝试的限制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
open-reception appointment-booking-software 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
open-reception appointment-booking-software是open-reception组织的一款预约安排软件。 open-reception appointment-booking-software 1.0.2之前版本存在授权问题漏洞，该漏洞源于在/api/auth/login接口中未限制失败口令登录尝试次数，可能导致攻击者进行撞库和字典攻击，进而未经授权访问账户。
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
open-reception appointment-booking-software < 1.0.2 -

II. Public POCs for CVE-2026-48084

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Qwen3.6-35B-A3B · 10495 chars
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III. Intelligence Information for CVE-2026-48084

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Patches & Fixes for CVE-2026-48084 (1)

Vendor Advisories for CVE-2026-48084 (1)

Same Patch Batch · open-reception · 2026-08-06 · 16 CVEs total

CVE-2026-48086 9.9 CRITICAL OpenReception: Tenant admin self-promotes to GLOBAL_ADMIN
CVE-2026-48087 9.8 CRITICAL OpenReception: WebAuthn passkey injection allows account takeover
CVE-2026-48085 9.8 CRITICAL OpenReception has unauthenticated GLOBAL_ADMIN account creation post-bootstrap
CVE-2026-48088 9.4 CRITICAL OpenReception vulnerable to unauthenticated staff crypto poisoning that breaks E2E recipie
CVE-2026-48081 8.1 HIGH OpenReception vulnerable to stored click-triggered XSS via javascript: tenant links render
CVE-2026-48080 8.0 HIGH OpenReception's tenant detail endpoint discloses live PostgreSQL connection string, superu
CVE-2026-48079 7.4 HIGH OpenReception's logout page clears local access_token before server-side revocation, leavi
CVE-2026-48076 6.5 MEDIUM OpenReception's bootstrap booking flow allows unauthenticated booking on isPublic=false ch
CVE-2026-48083 6.5 MEDIUM OpenReception: Unauthenticated POST /api/log accepts arbitrary content with CRLF injection
CVE-2026-48075 6.5 MEDIUM OpenReception's unauthenticated add-to-tunnel endpoint accepts arbitrary appointment injec
CVE-2026-48071 5.8 MEDIUM OpenReception's client PIN challenge throttle is keyed by emailHash only, allowing cross-t
CVE-2026-48078 5.3 MEDIUM OpenReception's schedule endpoint discloses isPublic=false channels and slot availability
CVE-2026-48077 5.3 MEDIUM OpenReception: GET appointment by ID returns full appointment record without authorization
CVE-2026-48082 3.7 LOW OpenReception's bootstrap challenge proof-of-work difficulty hardcoded to 16 bits, which e
CVE-2026-48074 2.7 LOW OpenReception: Staff deletion removes pending invites cross-tenant by email match

IV. Related Vulnerabilities

Same product: appointment-booking-software
Same vendor: open-reception
Same weakness: CWE-307

V. Comments for CVE-2026-48084

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