MEDIUMCVSS 5.4Vulnerability

CVE-2026-84987

### Impact An authenticated attacker can call the Autocomplete API with the configured endpoint as a substring to request another server-side route. ### Patches The problem has been patched in 9.23.0 and pre-release version 10.0.0-beta.4. The regex verifying the endpoint has been anchored to forbid substring injection. ### Workarounds Use `SharpFormAutocompleteRemoteField::setRemoteCallback()` instead of `SharpFormAutocompleteRemoteField::setRemoteEndpoint()`.

Properties

Severity
medium
Summary
code16/sharp: Server-side request forgery through an unanchored autocomplete endpoint check
Cvss score
5.4
Retrieved at
2026-11-14T00:50:09+00:00
Ghsa published
2026-11-12T18:21:00Z
Source url
https://github.com/advisories/GHSA-g6f8-c3x9-jv7f
Ghsa updated
2026-11-12T18:21:01Z
Ghsa id
GHSA-g6f8-c3x9-jv7f
Last source
GitHub Advisory Database
Cve id
CVE-2026-84987
Cvss vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
First seen by Signal
2026-11-12T19:59:26+00:00
Name
CVE-2026-84987
Is ghsa only
false

Related Entities (4)

HAS_WEAKNESS (2)

AFFECTS (1)

VULNERABLE_TO (1)

Related research

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CVE-2026-84987 (CVSS 5.4) — Ninja Signal Threat Intelligence | Ninja Signal