🛡️ CVE-2026-22665 — prompts.chat

🟠 CVSS 8.1 — High ⚠️ Exploit Public CWE-178 NVD
8.1
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

prompts.chat prior to commit 1464475, contains an identity confusion vulnerability due to inconsistent case-sensitive and case-insensitive handling of usernames across write and read paths, allowing attackers to create case-variant usernames that bypass uniqueness checks. Attackers can exploit non-deterministic username resolution to impersonate victim accounts, replace profile content on canonical URLs, and inject attacker-controlled metadata and content across the platform.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs low-level 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.

Weakness class

CVE-2026-22665 is classified as CWE-178: Improper Handling of Case Sensitivity. The product does not properly account for differences in case sensitivity when accessing or determining the properties of a resource, leading to inconsistent results.

Affected software

CVE-2026-22665 is recorded against 1 package.

  • prompts.chat (fixed in 2026-03-24)

Timeline and source

Published on 3 April 2026 and last revised on 24 July 2026. A public exploit is known to exist, which raises the urgency of patching considerably. A vendor advisory or fix has been published. Record sourced from NVD.

References

github.com
github.com
www.vulncheck.com

Details

Severity HIGH
CVSS Score 8.1
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
CWE CWE-178
Public Exploit ⚠️ Yes
Source NVD
Published 2026-04-03
Updated 2026-08-11
Modified 2026-07-24

Affected Packages

Software From version Fixed in
prompts.chat — 2026-03-24

Similar Threats

Exploit Protection

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