CVE-2025-8396: Temporal OSS Server vulnerability
Temporal · OSS Server
Vendor fix available · Affected: Temporal OSS Server · Exploitation: unlikely (under 1%)
Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.
Higher than 35% of scored CVEs
DescriptionCVE.org
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.
Affected products1
From the CVE record. A product or version that is not listed is unknown, not unaffected.
- Temporal · OSS Serverbefore 1.26.3; from 1.27.0 before 1.27.3; from 1.28.0 before 1.28.1
On the Atlas
Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.
- Exploitation
- Unlikely (under 1%). EPSS under 1%, or no score yet.
- CISA KEV
- Not listed
- Public check
- No public nuclei template
- Vendor
- Temporal
- Published
- September 2025
CoverageNo articles yet
No CyberSIXT article names CVE-2025-8396 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.