VDB
GO-2026-4950
GO-2026-4950
PUBLISHED
CVSS 9.300000190734863 CRITICAL
Record from OSV · Published August 18, 2026
github.com/valyala/fasthttp is fixed in 1.70.0 (Go Modules)
Authorization bypass via double-encoded paths in github.com/valyala/fasthttp
Fixed versions
Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.
| Package | Ecosystem | Fixed in |
|---|---|---|
| github.com/valyala/fasthttp | Go Modules | 1.70.0 |
| dapr-fips-1.16 | Chainguard | 1.16.19-r2 |
| dapr-1.17 | Wolfi | 1.17.13-r2 |
| dapr-1.16 | Wolfi | 1.16.19-r3 |
| dapr-fips-1.15 | Chainguard | 1.15.14-r13 |
| dapr-fips-1.18 | Chainguard | 1.18.3-r2 |
| dapr-1.16 | Chainguard | 1.16.19-r3 |
| dapr-1.14 | Chainguard | 1.14.5-r31 |
| dapr-fips-1.14 | Chainguard | 1.14.5-r30 |
| dapr-1.17 | Chainguard | 1.17.13-r2 |
| dapr-1.15 | Chainguard | 1.15.14-r13 |
| dapr-fips-1.17 | Chainguard | 1.17.13-r1 |
1 more packages have a fixed version. See every fix in Lookup.
Risk scores
CVSS 4.0
9.300000190734863
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Affected products
| Vendor | Product | Versions |
|---|---|---|
| chainguard | keda-2.18 | * |
| chainguard | dapr-fips-1.16 | 0 |
| wolfi | keda-2.20 | * |
| wolfi | dapr-1.16 | 0 |
| chainguard | emqx-exporter-fips | * |
| chainguard | dapr-fips-1.18 | 0 |
| chainguard | dapr-1.16 | 0 |
| chainguard | dapr-fips-1.15 | 0 |
| github.com | valyala/fasthttp | 0 |
| chainguard | argo-events | * |
| chainguard | coder-fips-2.29 | * |
| chainguard | keda-fips-2.18 | * |
| chainguard | dapr-1.15 | 0 |
| chainguard | dapr-fips-1.17 | 0 |
| chainguard | traefik-fips-3.6 | * |
| chainguard | dapr-fips-1.14 | 0 |
| chainguard | emqx-exporter | * |
| chainguard | dapr-1.18 | 0 |
| wolfi | dapr-1.17 | 0 |
| wolfi | traefik-3.7 | * |
…and 14 more
Timeline
- Aug 18, 2026 CVE Published
Query this with the API
The same record, from the CLI:
vulnetix vdb vuln GO-2026-4950
vulnetix vdb fixes GO-2026-4950Or with curl, using the org id and key from your account page:
curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
"https://api.vdb.vulnetix.com/v2/vuln/GO-2026-4950/fixes/registry"The Community plan is free and allows 50 queries a day. Get a free API key · API quickstart