CVE-2025-8396CWE-770

Insufficiently specific bounds checking on authorization header could lead to denial of service in the Temporal server on all platforms due to excessive memory…

Medium · published September 15, 2025

CVSS v4.0
6.9
EPSS
0%
Percentile
31.7
In the wild
Unconfirmed
What it is

Insufficiently specific bounds checking on authorization header could lead to denial of service in the Temporal server on all platforms due to excessive memory allocation.This issue affects all platforms and versions of OSS Server prior to 1.26.3, 1.27.3, and 1.28.1 (i.e., fixed in 1.26.3, 1.27.3, and 1.28.1 and later). Temporal Cloud services are not impacted.

The record
Technical detail
CVSS v4.0
6.9 · MEDIUM
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:L/S:N/AU:Y
EPSS
0.00388 · 31.7th percentile
Weakness
CWE-770 · Allocation of Resources Without Limits or Throttling
Published
2025-09-15T14:13Z
EPSS history
Timeline
  • 15 SEP 14:13Z
    Insufficiently specific bounds checking on authorization header could lead to denial of service in the Temporal server on all platforms due to excessive memory…
    cvelistv5