CVE-2026-14686 HdrHistogram Range Check DoubleHistogram.java org.HdrHistogram.DoubleHistogram.recordValue comparison
A disputed logic error in HdrHistogram's DoubleHistogram.recordValue may cause incorrect comparisons, requiring local access and lacking clear security boundary violations.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-14686?
CVE-2026-14686 is a medium-severity vulnerability in HdrHistogram, published on 5 Jul 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A vulnerability was found in HdrHistogram up to 2.2.2. This issue affects the function org.HdrHistogram.DoubleHistogram.recordValue of the file src/main/java/org/HdrHistogram/DoubleHistogram.java of the component Range Check. Performing a manipulation results in incorrect comparison. The attack is only possible with local access. The exploit has been made public and could be used. The presence of this vulnerability remains uncertain at this time. This issue is disputed due to the potential lack of crossing of security boundaries and the pre-requisites for a successful attack.
Weakness: CWE-697
Which versions are affected by CVE-2026-14686?
How do I fix CVE-2026-14686?
No fix published yet.
Is CVE-2026-14686 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-14686 exists.
Sources
Also known as DEBIAN-CVE-2026-14686, GHSA-pcmr-4mmx-225x, UBUNTU-CVE-2026-14686.