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RUSTSEC-2026-0260
arrayrefA new version of the arrayref crate was published with a direct dependency
on proc-macro1, which would execute a malicious build script.
This compromised version was published on 2026-08-20 and removed approximately
86 minutes later. It was downloaded 2,285 times, which constituted less than
10% of arrayref download traffic across all versions, as most users had older
versions of arrayref in their lockfiles.
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Measures severity based on intrinsic characteristics of the vulnerability, independent of environment.
No exploitation activity has been observed at this time. Continue routine monitoring.
Probability that this vulnerability will be exploited in the wild within the next 30 days.
We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.
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