Signing Checks Bypass
Priority LOW 36CWE-552Published · Updated
Key facts
- Attack vector
- Adjacent network
- Privileges required
- High
- User interaction
- Required
- Attack complexity
- High
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-552.
Summary
A security issue was found in Sparkle before version 2.6.4. An attacker can replace an existing signed update with another payload, bypassing Sparkle’s (Ed)DSA signing checks.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00904 60th percentileScored 2026-11-07
Fix Fixed Sparkle (sparkle-project): 2.6.4github.com/sparkle-project/Sparkle (SwiftURL): 2.6.4
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
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 |
|---|---|---|---|---|---|
| sparkle-project | Sparkle | before 2.6.4 | 2.6.4 | Patch available | CNA |
| — | github.com/sparkle-project/Sparkle (SwiftURL) | before 2.6.4 | 2.6.4 | Patch available | GHSA-wc9m-r3v6-9p5h |
- Sparkle Vendorsparkle-project Affected before 2.6.4 Fixed in 2.6.4 Patch available CNA
- github.com/sparkle-project/Sparkle (SwiftURL) Vendor— Affected before 2.6.4 Fixed in 2.6.4 Patch available GHSA-wc9m-r3v6-9p5h
CPE configurations NVD · 3
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:sparkle-project:sparkle:*:*:*:*:*:*:*:* | before 2.6.4 | Vulnerable | sparkle-project |
| cpe:2.3:o:netapp:hci_compute_node:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | NetApp |
| cpe:2.3:a:netapp:oncommand_workflow_automation:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | NetApp |
- cpe:2.3:a:sparkle-project:sparkle:*:*:*:*:*:*:*:* Versions before 2.6.4 Vulnerable ·sparkle-project
- cpe:2.3:o:netapp:hci_compute_node:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NetApp
- cpe:2.3:a:netapp:oncommand_workflow_automation:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NetApp
Remediation
- Fix · CNA Sparkle (sparkle-project) Fixed in 2.6.4
- Fix · GHSA-wc9m-r3v6-9p5h github.com/sparkle-project/Sparkle (SwiftURL) Fixed in 2.6.4 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2025-0509
- 2026-10-03 Alias added: GHSA-wc9m-r3v6-9p5h
References
Patch 2
Advisory 2
More sparkle-project Sparkle vulnerabilities
- TI-2026-34713 Sparkle: Binary delta apply intermediate-symlink traversal in malicious .delta CVSS 3.1MEDIUM 6.1
- TI-2026-34714 Missing authentication in sparkle-project Sparkle CVSS 3.1MEDIUM 4.2
Sources
- CVE-2025-0509 · CVE Program
- CVE-2025-0509 · NVD
- FIRST EPSS
- GHSA-wc9m-r3v6-9p5h · 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