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CVE-2026-97875

DNS rebinding vulnerability in rojo serve HTTP API

HIGH
8.1
CVSS Score
Published: September 25, 2026 at 10:48 AM UTC
Updated: September 30, 2026 at 05:32 PM UTC
1 product affected across 1 vendorRojo

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Severity
HIGH8.1
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

Description

Rojo's "rojo serve" HTTP API (default port 34872) has no Host/Origin header validation, making it vulnerable to DNS rebinding. A malicious webpage can read all project source, write malicious code to files on disk, and launch local programs via opener::open() with no user interaction beyond visiting the page.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Rojo· Rojo Rbxcargo
60%
v < 7.7.0
Affected range stops below 7.7.0, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (3)

Patch
Source: cverecord
https://github.com/rojo-rbx/rojo/pull/1270
Vendor Advisory
Source: cverecord
https://rustsec.org/advisories/RUSTSEC-2026-0279.html
Related
Source: cverecord
https://osv.dev/vulnerability/RUSTSEC-2026-0279

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.1HIGHredhat-cnalr
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-350

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