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🛡️ CVE-2026-48084

🟠 CVSS 7.4 — High ✅ No Known Exploit CWE-307 NVD
7.4
CVSS Score
0 Low4 Medium7 High9 Critical10

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.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is high, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity high, availability none.

CVSS metrics in full

The score comes from this vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

  • Attack vector: Network — reachable from anywhere that can route to the service.
  • Attack complexity: High — the attacker first has to win a race, learn a secret or otherwise prepare the target.
  • Privileges required: None — an unauthenticated stranger can try it.
  • User interaction: None — nobody has to be tricked into anything.
  • Scope: Unchanged — the damage stays inside the vulnerable component.
  • Confidentiality impact: High — total loss, or loss the attacker controls.
  • Integrity impact: High — total loss, or loss the attacker controls.
  • Availability impact: None.

Weakness class

CVE-2026-48084 is classified as CWE-307: Improper Restriction of Excessive Authentication Attempts. Repeated login attempts are not limited, leaving credentials open to brute forcing.

Affected software

CVE-2026-48084 is recorded against 1 package.

  • unknown

Timeline and source

Published on 6 August 2026 and last revised on 7 August 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

github.com
github.com
github.com

Other advisories for this package

unknown has other advisories on record. If you are patching this one, these are worth checking on the same host:

Same weakness in other software

These advisories are the same class of weakness (CWE-307: Improper Restriction of Excessive Authentication Attempts) in other software:

Details

Severity HIGH
CVSS Score 7.4
CVSS Vector CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
CWE CWE-307
Public Exploit ✅ No
Source NVD
Published 2026-08-06
Updated 2026-08-20
Modified 2026-08-07
Fix URL N/A

Affected Packages

Software From version Fixed in
unknown — —

Similar Threats

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ⓘ Data Notice: The information presented above has been compiled from publicly available internet sources. Boteraser aggregates this data solely for informational purposes and does not independently classify, evaluate, or endorse any findings about the vulnerabilities listed. The accuracy and completeness of this information is the sole responsibility of the original publishers. Boteraser and its operators accept no liability for any decisions made based on this data.

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