RUSTSEC-2026-0266
`internment` 0.8.7 was removed from crates.io due to a malicious dependency
A new version of the internment crate was published with a direct dependency
on proc-macro1, which would execute a malicious build script.
The compromised version of this crate was published on 2026-08-20, and was removed approximately 90 minutes later.
The compromised version was used as part of a malware campaign targeted at
users of arrayref, which was downloaded 2,285 times before being removed; see
the arrayref advisory for more detail.
What each source reports
OSV No score
`internment` 0.8.7 was removed from crates.io due to a malicious dependency
A new version of the internment crate was published with a direct dependency
on proc-macro1, which would execute a malicious build script.
The compromised version of this crate was published on 2026-08-20, and was removed approximately 90 minutes later.
The compromised version was used as part of a malware campaign targeted at
users of arrayref, which was downloaded 2,285 times before being removed; see
the arrayref advisory for more detail.
- Record
RUSTSEC-2026-0266- Updated
- 2026-11-02
Affected packages
| Package | Affected | Fixed |
|---|---|---|
internmentcrates.io |
0.8.7-0 and later | None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
RUSTSEC-2026-0266 is a vulnerability with no CVSS score yet in internment, published August 20, 2026. No source lists public exploit code. No source names a fixed version.