NocoDB: Open Redirect via Hash Fragment in hashRedirect Plugin
The client-side hashRedirect plugin called window.location.replace() on a path extracted from the URL hash fragment after only checking hashPath.startsWith('/'). Protocol-relative URLs (//attacker.com/…) also satisfy that check, so a crafted link such as https://nocodb.example/#//attacker.com/phishing silently redirected visitors to an attacker-controlled origin.
In packages/nc-gui/plugins/hashRedirect.client.ts, the plugin extracted the hash content and normalised it into cleanUrl:
```ts
let cleanUrl = hashPath.startsWith('/') ? hashPath : /${hashPath}
if (hashQuery) cleanUrl += ?${hashQuery}
window.location.replace(cleanUrl)
```
startsWith('/') returns true for //attacker.com/..., which browsers interpret as a protocol-relative absolute URL. No hostname check was performed before the redirect. The fix adds an early if (/^\/[/\\]/.test(hashPath)) return to reject protocol-relative paths.
This issue was reported by [@fg0x0](https://github.com/fg0x0).
This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. A user must actively cooperate. Rated impact: confidentiality low, integrity none, availability none.
The score comes from this vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
CVE-2026-47377 is classified as CWE-601: Open Redirect. A redirect target is taken from user input, so a trusted link can send the visitor to an attacker's site.
CVE-2026-47377 is recorded against 2 packages.
Published on 5 June 2026 and last revised on 20 July 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.
github.com (Web)
nvd.nist.gov (Advisory)
github.com (Package)
github.com (Web)
nocodb has other advisories on record. If you are patching this one, these are worth checking on the same host:
These advisories are the same class of weakness (CWE-601: Open Redirect) in other software:
Details
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
Affected Packages
| Software | From version | Fixed in |
|---|---|---|
| nocodb | — | 2026.04.1 |
| unknown | — | — |
References
Similar Threats
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