registry / @aswless_854771076/ai_short_studio_cli / 0.1.91
@aswless_854771076/ai_short_studio_cli@0.1.91
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AI Security Review
scanned 11d ago · by lpm-firewall-aiThe postinstall hook automatically installs package-owned agent skills, which warrants a warning under the agent extension lifecycle policy. The inspected source does not establish unconsented broad agent configuration mutation, credential exfiltration, or another concrete attack.
Static reason
High-risk behavior combination matched malicious policy.; source matched previously finalized malicious package; routed for review; previous stored version diff introduced dangerous source
Trigger
Installing the package through a lifecycle-enabled package manager, unless the hook's skip conditions apply.
Impact
The installed skill can influence later agent behavior; the source indicates package-owned setup rather than a confirmed control hijack.
Mechanism
The hook invokes the skill manager, which copies bundled skill files to the default Codex skills directory and may update its managed copy.
AI rationale
The postinstall hook automatically installs package-owned agent skills, which warrants a warning under the agent extension lifecycle policy. The inspected source does not establish unconsented broad agent configuration mutation, credential exfiltration, or another concrete attack.
Evidence
package.jsonscripts/postinstall.mjsdist/skill/skill-manager.js
Decision evidence
public snapshotAI called this Suspicious at 87.0% confidence as Dangerous Capability with medium false-positive risk.
Evidence for warning
- package.json runs scripts/postinstall.mjs after installation.
- The hook installs bundled skills under the user's Codex skills directory by default.
- The skill manager copies package-bundled skill files into the target directory.
- The manager can update its managed skill copy, while skipping unmanaged or modified copies unless forced.
Evidence against
- The inspected OAuth code uses interactive authorization and returns credentials from the supplied service flow; no unrelated credential recipient was identified.
Behavioral surface
ChildProcessCryptoEnvironmentVarsFilesystemNetwork
HighEntropyStringsUrlStrings
Source & flagged code
6 flagged · loading sourcepackage.jsonView file
•scripts.postinstall = node scripts/postinstall.mjs
High
Install Time Lifecycle Scripts
Package defines install-time lifecycle scripts.
package.jsonView on unpkg•scripts.postinstall = node scripts/postinstall.mjs
Medium
Ambiguous Install Lifecycle Script
Install-time lifecycle script is not statically allowlisted and needs review.
package.jsonView on unpkgdist/skill/skill-manager.jsView file
1Install-time code directly mutates a foreign AI-agent control surface:
L12: export function defaultSkillsRoot(target) {
L13: return join(homedir(), target === 'codex' ? '.codex' : '.agents', 'skills');
L14: }
...
L41: const backup = `${target}.backup-${process.pid}`;
L42: await mkdir(dirname(target), { recursive: true });
L43: await rm(temporary, { recursive: true, force: true });
L44: await cp(bundledSkillPath(name), temporary, { recursive: true });
L45: await writeFile(join(temporary, MANIFEST), `${JSON.stringify({ packageVersion, checksum }, null, 2)}\n`, 'utf8');
Write operation from dist/skill/sk[redacted]:
L12: export function defaultSkillsRoot(target) {
L13: return join(homedir(), target === 'codex' ? '.codex' : '.agents', 'skills');
L14: }
...
L41: const backup = `${target}.backup-
Findings
1 Critical4 High4 Medium4 Low
CriticalAi Agent Control Hijackdist/skill/skill-manager.js
HighInstall Time Lifecycle Scriptspackage.json
HighTrigger Reachable External Ai Agent Control Surface Mutationdist/skill/skill-manager.js
HighKnown Malware Source Similaritydist/auth/google-oauth.js
HighPrevious Version Dangerous Deltadist/auth/memhub-oauth.js
MediumAmbiguous Install Lifecycle Scriptpackage.json
MediumNetwork
MediumEnvironment Vars
MediumStructural Risk Force Deep Review
LowScripts Present
LowFilesystem
LowHigh Entropy Strings
LowUrl Strings
Affected versions and remediation
This report applies to @aswless_854771076/ai_short_studio_cli@0.1.91.
See all versions of @aswless_854771076/ai_short_studio_cli for other recorded verdicts.
- Review the evidence and your use of @aswless_854771076/ai_short_studio_cli@0.1.91 before allowing it. Restrict the permissions described in this report.
- Choose an independently verified alternative or release. This report does not establish that other versions are safe.
Evidence last updated: .
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