`append-only-vec` 0.1.9 was removed from crates.io due to a malicious dependency

A new version of the append-only-vec 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 107 minutes later. The compromised crate version was use...

`arone` was removed from crates.io due to malicious code

We identified that arone contained malicious code executed through a build script. This crate had 7 versions, with the most recent one being published at 2026-08-18. The crate was removed from crates.io on 2026-08-20 and the user account was locked. This crate was used as part of a malware campai...

RUSTSEC-2026-0265 `proc-macro1` was removed from crates.io due to malicious code

It was reported proc-macro1 contained a build script that would download a malicious payload. This crate had two versions, both published on 2026-08-20. The crate was removed from crates.io and related user accounts were locked. This crate was used as part of a malware campaign targeted at users ...

`arrayref` 0.3.10 was removed from crates.io due to a malicious dependency

A 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% ...

`tinymember` was removed from crates.io due to affiliation with malicious code

While tinymember did not directly contain malicious code, it was owned by the same user as arone and aronenao, which contained suspicious build scripts. This crate had 2 versions published on 2026-08-18 that had a total of 27 downloads. There were no crates depending on this crate on crates.io. T...

`aronenao` was removed from crates.io due to malicious code

We identified that aronenao contained malicious code executed through a build script. This crate had 11 versions, with the most recent one being published at 2026-08-18. The crate was removed from crates.io and the user account was locked. This crate was used as part of a malware campaign targete...

`proc-macro1` was removed from crates.io due to malicious code

It was reported proc-macro1 contained a build script that would download a malicious payload. This crate had two versions, both published on 2026-08-20. The crate was removed from crates.io and related user accounts were locked. This crate was used as part of a malware campaign targeted at users ...

`proc-macro-en` was removed from crates.io due to malicious code

We identified that proc-macro-en contained the same build script as proc-macro1 and it was part of the same supply chain attack. This crate had one single version published at 2026-08-20. The crate was removed from crates.io and related user account was locked. This crate was used as part of a...

MAL-2026-14338 Malicious code in proc_macro1 (crates.io)

proc-macro1 is a typosquat of proc-macro2 published to crates.io by the account 'dtolney', impersonating David Tolnay dtolnay. Its metadata forges authors 'David Tolnay ' and points repository at a nonexistent github.com/dtolnay/proc-macro1. The library source is a copy of proc-macro2 so dependen...

Malicious code in arone (crates.io)

arone is a malicious crate published to crates.io as part of the coordinated build-time payload campaign on 2026-08-20 that trojanized arrayref, internment, and append-only-vec and published the proc-macro1 typosquat of proc-macro2. It was used as an attacker-controlled dependency carrying a...

Malicious code in aovine (crates.io)

aovine is a malicious crate published to crates.io as part of the coordinated build-time payload campaign on 2026-08-20 that trojanized arrayref, internment, and append-only-vec and published the proc-macro1 typosquat of proc-macro2. It was used as an attacker-controlled dependency carrying a...

Malicious code in arrayref (crates.io)

arrayref 0.3.10 was published to crates.io from a maintainer account droundy that appears to be compromised. Unlike every prior release, 0.3.10 declares a dependency on the malicious crate proc-macro1. The arrayref source itself is unchanged genuine macro code, but Cargo compiles the declared...

MAL-2026-14336 Malicious code in arrayref (crates.io)

arrayref 0.3.10 was published to crates.io from a maintainer account droundy that appears to be compromised. Unlike every prior release, 0.3.10 declares a dependency on the malicious crate proc-macro1. The arrayref source itself is unchanged genuine macro code, but Cargo compiles the declared...

Malicious code in tinymember (crates.io)

tinymember is a malicious crate published to crates.io as part of the coordinated build-time payload campaign on 2026-08-20 that trojanized arrayref, internment, and append-only-vec and published the proc-macro1 typosquat of proc-macro2. It was used as an attacker-controlled dependency carrying a...

PT-2026-79064

Nix is a package manager for Linux and other Unix systems. Prior to 2.35.0, a malicious derivation executed with the recursive-nix experimental feature can exploit a time-of-check/time-of-use race involving final symlink handling in the LocalStore restore path. The race can cause writeFile to...

Malicious code in internment (crates.io)

internment 0.8.7 was published to crates.io from the same maintainer account droundy as the trojanized arrayref and append-only-vec releases, which appears to be compromised. The release adds a dependency on an attacker-controlled crate whose build script downloads and executes an...

Malicious code in proc_macro_en (crates.io)

proc-macro-en is a malicious crate published to crates.io as part of the coordinated build-time payload campaign on 2026-08-20 that trojanized arrayref, internment, and append-only-vec and published the proc-macro1 typosquat of proc-macro2. It was used as an attacker-controlled dependency carryin...

Malicious code in proc_macro1 (crates.io)

proc-macro1 is a typosquat of proc-macro2 published to crates.io by the account 'dtolney', impersonating David Tolnay dtolnay. Its metadata forges authors 'David Tolnay ' and points repository at a nonexistent github.com/dtolnay/proc-macro1. The library source is a copy of proc-macro2 so dependen...

Malicious code in aronenao (crates.io)

aronenao is a malicious crate published to crates.io as part of the coordinated build-time payload campaign on 2026-08-20 that trojanized arrayref, internment, and append-only-vec and published the proc-macro1 typosquat of proc-macro2. It was used as an attacker-controlled dependency carrying a...

Malicious code in append_only_vec (crates.io)

append-only-vec 0.1.9 was published to crates.io from the same maintainer account droundy as the trojanized arrayref and internment releases, which appears to be compromised. The release adds a dependency on an attacker-controlled crate whose build script downloads and executes an...