macaron before 1.3.7 has an open redirect in the static handler, as demonstrated by the…
Priority LOW 30CWE-601Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Spoofing
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- Partial Red Hat: 2 fixed, 6 without a fix
Attack profile from CVSS 3.1 · NVD. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-601.
Summary
macaron before 1.3.7 has an open redirect in the static handler, as demonstrated by the http://127.0.0.1:4000//example.com/ URL.
Why it matters now
EPSS 0.0141 72nd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Partial gopkg.in/macaron.v1 (Go): 1.3.7Red Hat: 1 advisoryRed Hat: 2 fixed, 6 without a fix
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | gopkg.in/macaron.v1 (Go) | before 1.3.7 | 1.3.7 | Patch available | GHSA-733f-44f3-3frw |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- gopkg.in/macaron.v1 (Go) Vendor— Affected before 1.3.7 Fixed in 1.3.7 Patch available GHSA-733f-44f3-3frw
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:go-macaron:macaron:*:*:*:*:*:*:*:* | before 1.3.7 | Vulnerable | Go-macaron |
| cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:* | 32 | Vulnerable | Fedoraproject |
- cpe:2.3:a:go-macaron:macaron:*:*:*:*:*:*:*:* Versions before 1.3.7 Vulnerable ·Go-macaron
- cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:* Versions 32 Vulnerable ·Fedoraproject
Remediation
- Fix · GHSA-733f-44f3-3frw gopkg.in/macaron.v1 (Go) Fixed in 1.3.7 Advisory →
Red Hat 1 advisory
- RHSA-2020:3369 Released 2020-08-06 · Red Hat rating ModerateRed Hat OpenShift Service Mesh security update
- OpenShift Service Mesh 1.1 ior-1.1.6-1.el8, servicemesh-1.1.6-1.el8, servicemesh-citadel-1.1.6-1.el8 +12
- Red Hat OpenShift Service Mesh 1.1 kiali-v1.12.10.redhat2-1.el7
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Ceph Storage 2 | Affected | No fix planned: Out of support scope |
| Red Hat Ceph Storage 3 | Affected | No fix yet: Fix deferred |
| Red Hat Ceph Storage 4 | Affected | No fix yet: Fix deferred |
| Red Hat OpenShift Container Platform 3.11 | Affected | No fix yet: Fix deferred |
| Red Hat OpenShift Container Platform 4 | Affected | No fix yet: Fix deferred |
| Red Hat Storage 3 | Affected | No fix yet: Fix deferred |
| OpenShift Service Mesh 1.1 | Fixed | RHSA-2020:3369 |
| Red Hat OpenShift Service Mesh 1.1 | Fixed | RHSA-2020:3369 |
Timeline
- 2026-10-02 Threatist record created from CVE-2020-12666
- 2026-10-03 Alias added: GHSA-733f-44f3-3frw
References
Advisory 3
Other 7
- https://github.com/go-macaron/macaron/issues/198#issuecomment-622885959
- https://github.com/go-macaron/macaron/pull/199
- https://github.com/go-macaron/macaron/pull/199/commits/6bd9385542f7133467ab7d09a5f28f7d5dc52af7
- https://github.com/go-macaron/macaron/commit/addc7461c3a90a040e79aa75bfd245107a210245
- https://github.com/go-macaron/macaron
- https://lists.fedoraproject.org/archives/list/[email protected]/message/3QEUOHRC4EN4WZ66EVFML2UCV7ZQ63XZ
- https://pkg.go.dev/vuln/GO-2020-0039
Sources
- CVE-2020-12666 · CVE Program
- CVE-2020-12666 · NVD
- FIRST EPSS
- GHSA-733f-44f3-3frw · GitHub Advisory Database · CC BY 4.0
- CVE-2020-12666 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences