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cargo / turbo-surf-v8

turbo-surf-v8 150.4.0

bitbison: flagged, behavior flagged, dependencies notes, posture not checked, pipeline clean, 1 of 1 jobs captured RiskhighVulnsnone
processes
334
operations
83K
packages
114
compiler runs
79
connections
4
build time
2m 00s
job time
2m 00s
capture
1.3 MB
records
161K
bytes / record
7.8

turbo-surf reviewed distribution of v8: Rust bindings to V8

Build behaviourits build script reached github.com, release-assets.githubusercontent.comundeclared fetchlinked a downloaded binaryfetched outside crates.io

MIT · published 2026-10-21 · source View on crates.io

Graph

object-provenance · high · in libv8.rlib
3

Checks

11 of 14 clear Network activity Data flow analysis +1 more
Build behavior▲✓✓✓✓▲✓✓
Supply chain✓▲✓✓✓
Pipeline✓

Detections

2
  • Uncompiled library linked
    librusty_v8.a › github.com, release-assets.githubusercontent.com
    high
  • Build script reached github.com +1
    turbo-surf-v8 150.4.0 › github.com:443, release-assets.githubusercontent.com:443
    medium

Detection

highwitnessed

Uncompiled library linked

Object file origin needs review

Subject
/home/runner/work/turbo-surf/turbo-surf/target/release/gn_out/obj/librusty_v8.awritten by build_script_build-2f0b53ee51c864d8
Destination
github.com, release-assets.githubusercontent.com
Jobs
build-test
Rule
object-provenance · turbo-surf

Witness chain

  1. /home/runner/work/turbo-surf/turbo-surf/tools/download_file.py
    source
  2. /home/runner/work/turbo-surf/turbo-surf/target/release/gn_out/obj/librusty_v8.tmpvia python3 ./tools/download_file.py --url https://github.com/denoland/rusty_v8/releases/download/v150.4.0/librusty_v8_release_x86_64-unknown-linux-gnu.a.gz --filen
  3. /home/runner/work/turbo-surf/turbo-surf/target/release/gn_out/obj/librusty_v8.avia /home/runner/work/turbo-surf/turbo-surf/target/release/build/turbo-surf-v8-2f0b53ee51c864d8/build-script-build
    • Object written under a build script that downloadedfrom github.com · release-assets.githubusercontent.com

      written under the build script at /home/runner/work/turbo-surf/turbo-surf/target/release/build/turbo-surf-v8-2f0b53ee51c864d8/build_script_build-2f0b53ee51c864d8, which downloaded from github.com, release-assets.githubusercontent.com

    • Written without a recorded source compilation

      Written by build_script_build-2f0b53ee51c864d8 without a recorded source compilation

    • Asked for by the build's own declaration

      turbo-surf-v8 asked the linker for it: static rusty_v8 (target/release/build/turbo-surf-v8-fe0527c2aabba673/output)

    subject
  4. member
    artifact

Evidence

  • written under the build script at /home/runner/work/turbo-surf/turbo-surf/target/release/build/turbo-surf-v8-2f0b53ee51c864d8/build_script_build-2f0b53ee51c864d8, which downloaded from github.com, release-assets.githubusercontent.com
  • Written by build_script_build-2f0b53ee51c864d8 without a recorded source compilation
  • turbo-surf-v8 asked the linker for it: static rusty_v8 (target/release/build/turbo-surf-v8-fe0527c2aabba673/output)

In libv8.rlib

Loading the graph

Processes

build-test

cargo›cargo›build-script-build

Ran
/home/runner/work/turbo-surf/turbo-surf/target/release/build/turbo-surf-v8-2f0b53ee51c864d8/build-script-build
Invoked by
cargo build --release --locked --message-format=json-render-diagnostics
Lineage · 3 processes
  1. cargocargo build --release --locked --message-format=json-render-diagnostics2562
  2. cargo/home/runner/.rustup/toolchains/1.91.0-x86_64-unknown-linux-gnu/bin/cargo build --release --locked --message-format=json-render-diagnostics2562
  3. build-script-build/home/runner/work/turbo-surf/turbo-surf/target/release/build/turbo-surf-v8-2f0b53ee51c864d8/build-script-build4043

Remediation

Inspect the writer and input chain. Confirm the object comes from a reviewed build step or declared prebuilt dependency. If its origin cannot be verified, replace it and rebuild.

Detection

mediumwitnessed

Build script reached github.com +1

Unexpected network connection

Subject
turbo-surf-v8 150.4.0
Destination
github.com:443, release-assets.githubusercontent.com:443
Reaches
Jobs
build-test
Rule
egress · turbo-surf

Evidence

  1. Connection outside the process’s allowed destinationscause

    connection to github.com:443, opened by python3.14

    subject github.com:443

    by python3 ./tools/download_file.py --url https://github.com/denoland/rusty_v8/releases/download/v150.4.0/librusty_v8_release_x86_64-unknown-linux-gnu.a.gz --filen…

  2. Connection outside the process’s allowed destinationscause

    connection to release-assets.githubusercontent.com:443, opened by python3.14

    subject release-assets.githubusercontent.com:443

    by python3 ./tools/download_file.py --url https://github.com/denoland/rusty_v8/releases/download/v150.4.0/librusty_v8_release_x86_64-unknown-linux-gnu.a.gz --filen…

  3. What a build script's fetch becamesupport

    1 file came down; nothing the build compiled, linked or ran

  4. Connection opened by a build script or child processsupport

    the opener descends from the build script at /home/runner/work/turbo-surf/turbo-surf/target/release/build/turbo-surf-v8-2f0b53ee51c864d8/build_script_build-2f0b53ee51c864d8

  5. Tool commandsupport

    Command: python3 ./tools/download_file.py --url https://github.com/denoland/rusty_v8/releases/download/v150.4.0/librusty_v8_release_x86_64-unknown-linux-gnu.a.gz --filen…

    by python3 ./tools/download_file.py --url https://github.com/denoland/rusty_v8/releases/download/v150.4.0/librusty_v8_release_x86_64-unknown-linux-gnu.a.gz --filen…

In libv8.rlib

Loading the graph

Processes

build-test

cargo›cargo›build-script-build›python3

Ran
python3 ./tools/download_file.py --url https://github.com/denoland/rusty_v8/releases/download/v150.4.0/librusty_v8_release_x86_64-unknown-linux-gnu.a.gz --filen…
Invoked by
cargo build --release --locked --message-format=json-render-diagnostics
Lineage · 4 processes
  1. cargocargo build --release --locked --message-format=json-render-diagnostics2562
  2. cargo/home/runner/.rustup/toolchains/1.91.0-x86_64-unknown-linux-gnu/bin/cargo build --release --locked --message-format=json-render-diagnostics2562
  3. build-script-build/home/runner/work/turbo-surf/turbo-surf/target/release/build/turbo-surf-v8-2f0b53ee51c864d8/build-script-build4043
  4. python3python3 ./tools/download_file.py --url https://github.com/denoland/rusty_v8/releases/download/v150.4.0/librusty_v8_release_x86_64-unknown-linux-gnu.a.gz --filen…4047

Remediation

The build script connected to the network while compiling. Nothing it downloaded was compiled, linked or run. Build the crate from what the registry ships, or accept the download after reviewing it.

Network

4 peers
  • github.com:443 turbo-surf-v8's own build code · python3.14 (turbo-surf) · GitHub, Inc. · 1 file undeclared
  • release-assets.githubusercontent.com:443 turbo-surf-v8's own build code · python3.14 (turbo-surf) · Fastly, Inc. · 1 file undeclared
  • static.crates.io:8080 the package manager · cargo (turbo-surf) via crates.io · 9,130 files · went into an output ecosystem
  • static.rust-lang.org:443 the toolchain installer · rustup (turbo-surf) via Package registries profile (rustup → asn:54113) · Fastly, Inc. · 13 files ecosystem
Dependencies116Build behaviour
adler22.0.1
aho-corasick1.1.5
align-data0.1.0
autocfg1.5.1
bindgen0.72.1build script
bitflags2.13.2
bytes1.12.1
calendrical_calculations0.2.4
cexpr0.6.0
cfg-if1.0.5
clang-sys1.9.1build script
core_maths0.1.1
crc32fast1.5.3build script
diplomat0.16.1proc macro
diplomat-runtime0.16.1
diplomat_core0.16.1
displaydoc0.2.7proc macro
either1.19.0
equivalent1.0.3
errno0.3.14
fslock0.2.1
glob0.3.4
gzip-header1.1.0
hashbrown0.17.1
home0.5.12
icu_calendar2.3.0
icu_calendar_data2.3.0build script
icu_locale_core2.3.0
icu_locale_fallback2.3.0
icu_locale_fallback_data2.3.0build script
icu_provider2.3.1
indexmap2.14.2
itertools0.13.0
itoa1.0.18
ixdtf0.6.6
ld-linux-x86-64.so.2system library
libc0.2.191build script
libc.so.6system library
libgcc_s.so.1system library
libloading0.8.9
libm0.2.16build script
libm.so.6system library
libmvec.so.1system library
linux-raw-sys0.4.15
litemap0.8.3
log0.4.34
memchr2.8.3
minimal-lexical0.2.1
miniz_oxide0.8.9
nom7.1.3
num-traits0.2.19build script
paste1.0.15build scriptproc macro
potential_utf0.1.6
prettyplease0.2.37build script
proc-macro21.0.107build script
quote1.0.47build script
regex1.13.1
regex-automata0.4.18
regex-syntax0.8.11
resb0.1.2
rustc-hash2.1.3
rustix0.38.44build script
rustversion1.0.23build scriptproc macro
serde1.0.229build script
serde_core1.0.229build script
serde_derive1.0.229proc macro
serde_json1.0.154build script
serde_spanned1.1.2
shlex1.3.0
smallvec1.16.3
stable_deref_trait1.2.1
strck1.0.0
syn2.0.119
syn3.0.9
synstructure0.14.0
target-tuple1.0.2build script
temporal_capi0.2.6
temporal_rs0.2.6
termcolor1.4.1
timezone_provider0.2.6
tinystr0.8.4
toml1.1.8+spec-1.1.0
toml_datetime1.1.2+spec-1.1.0
toml_parser1.1.5+spec-1.1.0
toml_writer1.1.3+spec-1.1.0
trybuild1.0.122
unicode-ident1.0.27
which6.0.3
winapi0.3.9build script, not run
winapi-i686-pc-windows-gnu0.4.0build script, not runprebuilt objects
winapi-util0.1.11
winapi-x86_64-pc-windows-gnu0.4.0build script, not runprebuilt objects
windows-link0.2.1
windows-sys0.59.0
windows-sys0.61.2
windows-targets0.52.6
windows_aarch64_gnullvm0.52.6build script, not runprebuilt objects
windows_aarch64_msvc0.52.6build script, not runprebuilt objects
windows_i686_gnu0.52.6build script, not runprebuilt objects
windows_i686_gnullvm0.52.6build script, not runprebuilt objects
windows_i686_msvc0.52.6build script, not runprebuilt objects
windows_x86_64_gnu0.52.6build script, not runprebuilt objects
windows_x86_64_gnullvm0.52.6build script, not runprebuilt objects
windows_x86_64_msvc0.52.6build script, not runprebuilt objects
winnow1.0.4
winsafe0.0.19
writeable0.6.4
yoke0.8.3
yoke-derive0.8.4proc macro
zerofrom0.1.8
zerofrom-derive0.1.8proc macro
zerotrie0.2.5
zerovec0.11.8
zerovec-derive0.11.6proc macro
zmij1.0.23build script
zoneinfo640.3.0
Versions2RiskVulnsPublished
150.4.0highnone1d ago
149.3.0highnone1d ago

Raw data

capture
1.3 MB
records
161,049
bytes per record
7.8

Loading a sample of the capture

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1 of 1 jobs captured: build-test success · Generated 2026-10-21 · run 31873828-af6a-405d-899d-d4101992f267

analysis 0.1.0 · 2026-10-21 · bee3716 · graph v2