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TI-2026-63853 Aliases CVE-2026-96757GHSA-2hg7-crf6-4xp2

orval before 8.29.0 Code Injection via unescaped OpenAPI media-type

Priority HIGH 81CWE-94Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-94.

Summary

orval before 8.29.0 fails to escape OpenAPI media-type keys when emitting them into single-quoted Content-Type string literals in generated code. Attackers can inject JavaScript through crafted media-type keys in OpenAPI specifications that executes when generated fetch operations or mock resolvers are invoked.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00816 57th percentileScored 2026-11-07
Fix Fixed orval (orval-labs): 8.29.0

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
Yes
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
orval-labsorval6.7.1 to before 8.29.08.29.0Patch availableCNA
  • orval Vendororval-labs Affected 6.7.1 to before 8.29.0 Fixed in 8.29.0 Patch available CNA

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPEVersionsRoleVendor
cpe:2.3:a:orval:orval:*:*:*:*:*:*:*:*——orval-labs
  • cpe:2.3:a:orval:orval:*:*:*:*:*:*:*:* Versions — — ·orval-labs

Remediation

  • Fix · CNA orval (orval-labs) Fixed in 8.29.0

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    orval-labs orval 8.29.0

    4 records Highest priority Priority HIGH 3 HIGH, 1 MEDIUM

    Other records, highest priority first

    • TI-2026-63855 orval before 8.29.0 Code Injection via operationIdPriority HIGH 81
    • TI-2026-63850 orval @orval/hono before 8.29.0 Code Injection via OpenAPI PathPriority HIGH 81
    • TI-2026-63851 orval @orval/effect 8.14.0 through 8.28.1 Code InjectionPriority MEDIUM 49
    Show all 4 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-96757
  2. 2026-10-03 Alias added: GHSA-2hg7-crf6-4xp2
  3. 2026-10-25 EPSS moved to the 50th–90th percentile

References

Patch 3

Advisory 2

Other 2

  • TI-2026-63855 orval before 8.29.0 Code Injection via operationId CVSS 4.0CRITICAL 9.3
  • TI-2026-63854 orval @orval/core before 8.28.0 Code Injection via Form-Data CVSS 4.0CRITICAL 9.3
  • TI-2026-63850 orval @orval/hono before 8.29.0 Code Injection via OpenAPI Path CVSS 4.0CRITICAL 9.3
  • TI-2026-50952 Orval: Import-time RCE via schema default -> zod module-level template literal CVSS 4.0CRITICAL 9.3
  • TI-2026-50951 Orval: Import-time RCE via query-parameter default -> zod module-level template literal CVSS 4.0CRITICAL 9.3
  • TI-2026-50190 Orval: Import-time RCE via array-items default -> zod module-level template literal CVSS 4.0CRITICAL 9.3
See all 21 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences