medium6.9
CVE-2025-8396
Temporal OSS Server Vulnerable to Allocation of Resources Without Limits or Throttling
Impact
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 packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| go | go.temporal.io/server | < 1.26.3 | 1.26.3 |
Affected products
| Product | Affected versions |
|---|---|
| OSS Server | before 1.26.3 |
Versions were read from the advisory text. No structured product data has been published for this record yet.
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://github.com/temporalio/temporal/releases/tag/v1.26.3
- https://github.com/temporalio/temporal/releases/tag/v1.27.3
- https://github.com/temporalio/temporal/releases/tag/v1.28.1
- https://github.com/advisories/GHSA-p768-c3pr-6459
- https://nvd.nist.gov/vuln/detail/CVE-2025-8396