Is github.com/getarcaneapp/arcane/backend affected by CVE-2026-40242?

Go github.com/getarcaneapp/arcane/backend is affected in <1.17.3.

Is CVE-2026-40242 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.6%.

high

CVE-2026-40242

Q: Is CVE-2026-40242 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.6%.

Go · github.com/getarcaneapp/arcane/backend

Summary

Arcane has Unauthenticated SSRF with Conditional Response Reflection in Template Fetch Endpoint

Severity: high
EPSS: 0.6% (p45)
Also known as: GHSA-ff24-4prj-gpmj
Published: 2026-04-10

References

Related advisories

CVE-2026-45625 — critical · Go/github.com/getarcaneapp/arcane/backend
CVE-2026-47179 — high · Go/github.com/getarcaneapp/arcane/backend
CVE-2026-47125 — high · Go/github.com/getarcaneapp/arcane/backend
CVE-2026-45627 — high · Go/github.com/getarcaneapp/arcane/backend
CVE-2026-42461 — high · Go/github.com/getarcaneapp/arcane/backend
CVE-2026-45626 — medium · Go/github.com/getarcaneapp/arcane/backend
CVE-2026-23520 — medium · Go/github.com/getarcaneapp/arcane/backend

Is your project exposed to this? Stateward checks every dependency on every pull request and flags it only if your code actually reaches it.

Check my repo

Summarize with AI

ChatGPT Claude Perplexity

Sources: CISA KEV (public domain), OSV.dev & GitHub Advisory Database (CC-BY-4.0), FIRST EPSS, NVD/CWE (public domain). Served live from the Stateward advisory database.