CVE-2026-77360

See a problem?
Please try reporting it to the source first.
Source
https://cve.org/CVERecord?id=CVE-2026-77360
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-77360.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-77360
Aliases
Published
2026-09-16T18:42:45Z
Modified
2026-10-28T02:30:57Z
Severity
  • 6.3 (Medium) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N CVSS Calculator
Summary
oRPC: Vary Header Injection in CORS Plugin leading to potential Cache/CORS Bypass
Details

oRPC is an tool that helps build APIs that are end-to-end type-safe and adhere to OpenAPI standards. Prior to 1.14.8, the @orpc/server CORS plugin in packages/server/src/plugins/cors.ts copies a client's incoming Vary request header into the response instead of controlling Vary as a response-only header and using Origin for request-origin variation. In deployments behind a shared cache, CDN, or reverse proxy that keys responses using Vary, a client can inject arbitrary variation values, pollute cache keys, and cause inconsistent CORS enforcement for other clients. Default non-cached configurations have no established direct confidentiality, integrity, or availability impact. This issue is fixed in version 1.14.8.

Database specific 
{
    "cna_assigner":  "GitHub_M",
    "cwe_ids":  [
        "CWE-113"
    ],
    "osv_generated_from":  "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/77xxx/CVE-2026-77360.json"
}
References

Affected packages

Git / github.com/middleapi/orpc

Affected ranges

Type
GIT
Repo
https://github.com/middleapi/orpc
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
1c8767f41a8a7f428eb15ab9b25668f3a9dced48
Fixed
daabded122a89d323357c4c401e879701864cb2f
Database specific
Show details 
{
    "extracted_events":  [
        {
            "range":  [
                {
                    "introduced":  "0"
                },
                {
                    "fixed":  "1.14.8"
                }
            ],
            "source":  "AFFECTED_FIELD",
            "strategy":  "StringRangeExpression"
        },
        {
            "range":  [
                {
                    "fixed":  "daabded122a89d323357c4c401e879701864cb2f"
                }
            ],
            "source":  "REFERENCES_COMMIT"
        },
        {
            "original_tag":  "v1.14.8",
            "range":  [
                {
                    "fixed":  "1c8767f41a8a7f428eb15ab9b25668f3a9dced48"
                }
            ],
            "source":  "REFERENCES_TAG"
        }
    ]
}

Affected versions

@orpc/client@0.*
@orpc/client@0.0.2
@orpc/client@0.0.3
@orpc/client@0.0.4
@orpc/client@0.0.5
@orpc/client@0.0.6
@orpc/client@1.*
@orpc/client@1.0.0
@orpc/client@1.0.2
@orpc/client@2.*
@orpc/client@2.0.0
@orpc/contract@0.*
@orpc/contract@0.0.2
@orpc/contract@0.0.3
@orpc/contract@0.0.4
@orpc/contract@0.1.0
@orpc/contract@0.1.1
@orpc/contract@0.1.2
@orpc/contract@0.1.3
@orpc/openapi@0.*
@orpc/openapi@0.0.10
@orpc/openapi@0.0.11
@orpc/openapi@0.0.2
@orpc/openapi@0.0.3
@orpc/openapi@0.0.4
@orpc/openapi@0.0.6
@orpc/openapi@0.0.7
@orpc/openapi@0.0.8
@orpc/openapi@0.0.9
@orpc/react@0.*
@orpc/react@0.0.2
@orpc/react@0.0.3
@orpc/react@0.0.4
@orpc/react@0.0.5
@orpc/react@0.0.6
@orpc/react@0.0.7
@orpc/react@1.*
@orpc/react@1.0.0
@orpc/react@1.0.2
@orpc/react@2.*
@orpc/react@2.0.0
@orpc/server@0.*
@orpc/server@0.0.2
@orpc/server@0.0.3
@orpc/server@0.1.0
@orpc/server@0.1.2
@orpc/server@0.2.0
@orpc/server@0.2.1
@orpc/server@0.3.0
@orpc/server@0.3.1
@orpc/server@0.4.0
@orpc/shared@0.*
@orpc/shared@0.0.3
@orpc/shared@0.0.4
@orpc/shared@0.0.5
@orpc/shared@0.1.0
@orpc/shared@0.1.1
@orpc/transformer@0.*
@orpc/transformer@0.0.2
@orpc/transformer@0.0.3
@orpc/transformer@0.0.4
@orpc/transformer@0.0.5
@orpc/transformer@0.0.6
@orpc/zod@0.*
@orpc/zod@0.0.1
@orpc/zod@0.0.2
v0.*
v0.10.0
v0.10.0-beta.1
v0.11.0
v0.12.0
v0.13.0
v0.14.0
v0.15.0
v0.16.0
v0.17.0
v0.18.0
v0.19.0
v0.20.0
v0.21.0
v0.22.0
v0.23.0
v0.24.0
v0.25.0
v0.26.0
v0.27.0
v0.28.0
v0.29.0
v0.30.0
v0.31.0
v0.32.0
v0.33.0
v0.34.0
v0.35.0
v0.35.1
v0.36.0
v0.36.1
v0.37.0
v0.38.0
v0.39.0
v0.40.0
v0.41.0
v0.41.1
v0.41.2
v0.42.0
v0.43.0
v0.44.0
v0.45.0
v0.45.1
v0.46.0
v0.47.0
v0.48.0
v0.49.0
v0.50.0
v0.51.0
v0.52.0
v0.53.0
v0.54.0
v0.6.0
v0.7.0
v0.8.0
v0.8.0-alpha.1
v0.8.0-alpha.2
v0.8.0-beta.1
v0.9.0
v0.9.0-beta.1
v1.*
v1.0.0-beta.1
v1.0.0-beta.2
v1.0.0-beta.3
v1.0.0-beta.4
v1.0.0-beta.5
v1.0.0-beta.6
v1.0.0-beta.7
v1.0.3
v1.1.0
v1.1.1
v1.10.0
v1.10.1
v1.10.2
v1.10.3
v1.10.4
v1.11.0
v1.11.1
v1.11.2
v1.11.3
v1.12.0
v1.12.1
v1.12.2
v1.12.3
v1.13.0
v1.13.1
v1.13.10
v1.13.11
v1.13.12
v1.13.13
v1.13.14
v1.13.2
v1.13.4
v1.13.5
v1.13.6
v1.13.7
v1.13.8
v1.13.9
v1.14.0
v1.14.1
v1.14.2
v1.14.3
v1.14.4
v1.14.5
v1.14.6
v1.14.7
v1.2.0
v1.3.0
v1.4.0
v1.4.1
v1.4.2
v1.4.3
v1.4.4
v1.4.5
v1.5.0
v1.5.1
v1.5.2
v1.6.0
v1.6.1
v1.6.2
v1.6.3
v1.6.4
v1.6.5
v1.6.6
v1.7.0
v1.7.1
v1.7.10
v1.7.11
v1.7.2
v1.7.3
v1.7.4
v1.7.5
v1.7.6
v1.7.7
v1.7.8
v1.7.9
v1.8.0
v1.8.1
v1.8.2
v1.8.3
v1.8.4
v1.8.5
v1.8.6
v1.8.7
v1.8.8
v1.8.9
v1.9.0
v1.9.1
v1.9.2
v1.9.3
v1.9.4

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-77360.json"