CVE-2025-8396GHSA-P768-C3PR-6459GO-2025-3953
Insufficiently specific bounds checking on authorization header could lead to denial of service in the Temporal server on all platforms due
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Fix
- Fixed in 1.26.3, 1.27.3, 1.28.1
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
CISA's decision points: whether it is exploited, whether attacks can be automated, and how much control an attacker gets. Assessed (SSVC 2.0.3).What do these mean? →
- Exploitation: none
- Automatable: yes
- Technical impact: partial
Summary
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.
Timeline
- CVE published
- CISA SSVC assessment
Exploitation: none · Automatable: yes · Technical impact: partial
- Record last updated
Affected versions
- temporal
fixed in 1.26.3; From 1.27.0 · fixed in 1.27.3; From 1.28.0 · fixed in 1.28.1
- go.temporal.io/serverGo
fixed in 1.26.3
- go.temporal.io/serverGo
From 1.27.0-126.0 · fixed in 1.27.3
- go.temporal.io/serverGo
From 1.28.0-129.0 · fixed in 1.28.1
- go.temporal.io/serverGo
fixed in 1.26.3; From 1.27.0-126.0 · fixed in 1.27.3; From 1.28.0-129.0 · fixed in 1.28.1