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CVE-2026-22665: prompts.chat prior to commit 1464475, contains an identity confusion vulnerability due to inconsistent case-se

40
This month
HIGH 8.1UPGRADE

CVE-2026-22665 is a high-severity flaw (CVSS 8.1) affecting prompts.chat. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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 an

Why this priority

  • High severity
  • Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score8.1 (High)
Attack vectorNetwork (remote)
Attack complexityLow
Privileges neededLow
User interactionNone
EPSS exploit chance0.3% (top 74%)
CISA exploited listNo
WeaknessCWE-178
Published2026-04-03
Last modified2026-07-24
Publisher (CNA): VulnCheck · Vendor: fka

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Last updated 2026-07-24 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

fka prompts.chat UPGRADE
Affected: < 2026-03-24
Fixed in: 2026-03-24
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy prompts.chat || rpm -q prompts.chat || prompts.chat --version
2. UPGRADE to 2026-03-24 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade prompts.chat
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade prompts.chat
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-22665?

prompts.chat: upgrade to 2026-03-24. Exact commands for each OS are on this page.

Is CVE-2026-22665 being exploited?

CVE-2026-22665 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-22665 affect?

CVE-2026-22665 affects prompts.chat. Severity is high (CVSS 8.1). 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 username

How urgent is CVE-2026-22665?

Priority 40/100. High severity; Public exploit reference

Related CVEs

References

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