01 Record
CVE-2026-57860
ForgeCode Arbitrary Code Execution via Unvetted .mcp.json in Untrusted Repository
HighPUBLISHEDCNA: VulnCheck
CNA base score8.4 CVSS v4.0CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
02 Description
ForgeCode Arbitrary Code Execution via Unvetted .mcp.json in Untrusted Repository
03 Exploitation and scoring
- Exploitation
- Public exploit code exists. CISA's assessment records a public proof of concept. That is not a report of exploitation in the wild.
- SSVC decision
- ExploitationpocPublic proof-of-concept exploit code exists. Not a report of exploitation in the wild.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
- EPSS probability
- 0.20% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 10.9% of scored records. A rank, not a probability.
- NVD base score
- 8.4 (CVSS v4.0), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- NVD analysis status
- Deferred. NVD last modified this record on 2026-10-24.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2026-07-17 16:16Z3 MO AGO
- Last updated
- 2026-07-20 17:45Z3 MO AGO
- Reserved
- 2026-06-25
- Assigning CNA
- VulnCheck
- Record state
- PUBLISHED
- Severity
- High (CVSS 8.4)
- CNA CVSS vector
- CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
- Weaknesses
- CWE-829Inclusion of Functionality from Untrusted Control SphereBase
- Data version
- 5.2
- Document digest
- 4eb64e959d0c77a1768480f682bca35a06281d998114b7f6f39e76e70f502a9d
05 Affected products
VendorProductVersionsPlatforms
06 References
- github.comGitHub Issuehttps://github.com/tailcallhq/forgecode/issues/3022
- github.comGitHub Issuehttps://github.com/tailcallhq/forgecode/issues/3252
- github.comProducthttps://github.com/tailcallhq/forgecode
- github.comPatch Commithttps://github.com/tailcallhq/forgecode/commit/68ca3a3a26c73c38a700453d3d021b5bbdc15dbd
- www.vulncheck.comhttps://www.vulncheck.com/advisories/forgecode-arbitrary-code-execution-via-unvetted-mcp-json-in-untrusted-repository