🛡️ CVE-2026-45186 on BellSoft — expat

⚪ Unknown ✅ No Known Exploit OSV
N/A
CVSS Score
0 Low4 Medium7 High9 Critical10

Distribution advisory

This page covers CVE-2026-45186 as tracked by BellSoft, for the package expat. The fix is available in version 2.8.1-r0; earlier versions remain affected.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality none, integrity none, availability high.

Affected software

BELL-CVE-2026-45186 is recorded against 1 package.

  • expat (from 2.4.9-r0 up to 2.8.1-r0)

Timeline and source

Published on 13 May 2026 and last revised on 16 May 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

docs.bell-sw.com (Advisory)

CVE-2026-45186 on other distributions

Each distribution ships its own build and its own fixed version. Pick the one you run:

Details

Severity Unknown
CVSS Score N/A
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE N/A
Public Exploit ✅ No
Source OSV
Published 2026-05-13
Updated 2026-08-12
Modified 2026-05-16
Fix URL N/A

Affected Packages

Software From version Fixed in
expat 2.4.9-r0 2.8.1-r0

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