octo-sts allows unauthenticated attackers to cause unbounded CPU and memory usage
Priority LOW 18CWE-400Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · Low
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-400.
Summary
octo-sts is a GitHub App that acts like a Security Token Service (STS) for the Github API. This vulnerability can spike the resource utilization of the STS service, and combined with a significant traffic volume could potentially lead to a denial of service. This vulnerability is fixed in 0.1.0
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00581 48th percentileScored 2026-11-07
Fix Fixed app (octo-sts): 0.1.0github.com/octo-sts/app (Go): 0.1.0
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| octo-sts | app | before 0.1.0 | 0.1.0 | Patch available | CNA |
| — | github.com/octo-sts/app (Go) | before 0.1.0 | 0.1.0 | Patch available | GHSA-75r6-6jg8-pfcq |
- app Vendorocto-sts Affected before 0.1.0 Fixed in 0.1.0 Patch available CNA
- github.com/octo-sts/app (Go) Vendor— Affected before 0.1.0 Fixed in 0.1.0 Patch available GHSA-75r6-6jg8-pfcq
Remediation
- Fix · CNA app (octo-sts) Fixed in 0.1.0
- Fix · GHSA-75r6-6jg8-pfcq github.com/octo-sts/app (Go) Fixed in 0.1.0 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2024-34079
- 2026-10-03 Alias added: GHSA-75r6-6jg8-pfcq
References
More octo-sts vulnerabilities
- TI-2025-32604 Octo-STS Vulnerable to Unauthenticated SSRF with HTTP Response Reflection in OIDC Flow CVSS 3.1HIGH 8.6
- TI-2026-84130 Octo STS leaks trust policy details in Exchange error messages CVSS 3.1MEDIUM 5.3
Sources
- CVE-2024-34079 · CVE Program
- CVE-2024-34079 · NVD
- FIRST EPSS
- GHSA-75r6-6jg8-pfcq · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences