jae-jae fetcher-mcp URL Validation security-credentials fetch_urls server-side request forgery
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- —
- Confidentiality · integrity · availability
- Low · Low · Low
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA.
Summary
A vulnerability has been found in jae-jae fetcher-mcp up to 0.3.9. Impacted is the function fetch_url/fetch_urls of the file /latest/meta-data/iam/security-credentials/ of the component URL Validation. Such manipulation leads to server-side request forgery. It is possible to launch the attack remotely. The project was informed of the problem early through an issue report but has not responded yet.
Why it matters now
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 |
|---|---|---|---|---|---|
| jae-jae | fetcher-mcp | 0.3.0; 0.3.1; 0.3.2; 0.3.3; 0.3.4; 0.3.5; 0.3.6; 0.3.7; 0.3.8; 0.3.9 | — | No fix listed | CNA |
- fetcher-mcp Vendorjae-jae Affected 0.3.0; 0.3.1; 0.3.2; 0.3.3; 0.3.4; 0.3.5; 0.3.6; 0.3.7; 0.3.8; 0.3.9 Fixed in — No fix listed CNA
CPE names CNA · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:jae-jae:fetcher-mcp:*:*:*:*:*:*:*:* | — | — | — |
- cpe:2.3:a:jae-jae:fetcher-mcp:*:*:*:*:*:*:*:* Versions — — ·—
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-74858
- 2026-10-03 Alias added: GHSA-c33j-cj33-6649
References
Sources
- CVE-2026-74858 · CVE Program
- CVE-2026-74858 · NVD
- FIRST EPSS
- GHSA-c33j-cj33-6649 · GitHub Advisory Database · CC BY 4.0
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