🛡️ CVE-2026-4878 on Debian 13 (Root.io) — rootio-libcap2

🟡 CVSS 5.0 — Medium ✅ No Known Exploit OSV

5.0

CVSS Score

0 Low4 Medium7 High9 Critical10

Description

CVE-2026-4878 in rootio-libcap2 - Patched by Root

Root has patched CVE-2026-4878 in the rootio-libcap2 package for Root:Debian:13. Multiple fixed versions available.

Distribution advisory

This page covers CVE-2026-4878 as tracked by Debian 13 (Root.io), for the package rootio-libcap2. The fix is available in version 1:2.75-10.root.io.1; earlier versions remain affected.

How this vulnerability can be exploited

This issue can be reached with local access to the system, attack complexity is high, an attacker needs low-level privileges on the target. A user must be tricked into taking some action. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity high, availability high.

Weakness class

ROOT-OS-DEBIAN-13-CVE-2026-4878 is classified as CWE-367: Time-of-check Time-of-use Race Condition. The state checked and the state acted upon can differ, because it may change between the two steps.

Affected software

ROOT-OS-DEBIAN-13-CVE-2026-4878 is recorded against 1 package.

rootio-libcap2 (fixed in 1:2.75-10.root.io.1)

Timeline and source

Published on 16 April 2026 and last revised on 19 August 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.

CVE-2026-4878 on other distributions

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

Alpine BellSoft Base record Debian Debian 12 (Root.io)Ubuntu

Details

Severity MEDIUM

CVSS Score 5.0

CVSS Vector CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H

CWE N/A

Public Exploit ✅ No

Source OSV

Published 2026-04-16

Updated 2026-08-20

Modified 2026-08-19

Fix URL N/A

Affected Packages

Software	From version	Fixed in
rootio-libcap2	—	1:2.75-10.root.io.1

References

N/A

🔗 NVD 🔗 Mitre

Similar Threats

Medium ROOT-OS-DEBIAN-12-CVE-2026-4878

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