CVE-2026-105112CWE-362

CVE-2026-105112

Medium · published October 3, 2026

CVSS v3.1
5.3
EPSS
0%
Percentile
7.0
In the wild
Unconfirmed
What it is

Nezha from 1.8.0 before 2.3.13 contains a lock-order inversion in UpdateGroup and DeleteGroup that allows authenticated non-admin users to deadlock the alerting subsystem. Attackers can concurrently call the notification-group and batch-delete endpoints with oversized id lists to widen the race and close an ABBA cycle, permanently killing alert delivery until restart.

The record
Technical detail
CVSS v3.1
5.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
6.0 · CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
EPSS
0.00178 · 7.0th percentile
Weakness
CWE-362 · Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
Published
2026-10-03T18:16Z
References (3)
https://github.com/nezhahq/nezha/security/advisories/GHSA-53vr-p24v-qvwf · [email protected]https://www.vulncheck.com/advisories/nezha-1.8.0-before-2.3.13-deadlock-dos-via-notification-group-endpoints · [email protected]https://github.com/nezhahq/nezha/security/advisories/GHSA-53vr-p24v-qvwf · 134c704f-9b21-4f2e-91b3-4a467353bcc0
EPSS history
Timeline
  • 07 OCT 03:39Z
    EPSS moved — → 0%
    epss
  • 03 OCT 12:14Z
    Nezha 1.8.0 before 2.3.13 Deadlock DoS via notification-group endpoints
    cvelistv5