StealC and Amadey: Breaking down infostealers and the cybercrime services that deliver them

In this article 1. The role of infostealers: From credential theft to intrusion 2. StealC: Infostealer for rent 3. Amadey: Malware-as-a-service for delivery of infostealers 4. Defending against StealC and Amadey intrusions 5. Microsoft Defender detections 6. Indicators of compromise Infostealers...

MAL-2026-6350 Malicious code in chai-as-operated (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 927e5f9d908ce243e10ddf51e2463ac96c6f685790ec9f35dcc7309c90ad8407 Package name impersonates the widely-used chai-as-promised README instructs chai.usechaiAsOperated and the README badges further impersonate pino...

CVE-2026-53538

CVE-2026-53538 affects python-multipart, a streaming multipart parser for Python. Prior to 0.0.30, the QuerystringParser treated ";" as a field separator in application/x-www-form-urlencoded bodies in addition to "&", creating a parsing differential against WHATWG/urllib.parse behavior that only ...

MAL-2026-6310 Malicious code in @petitcode/eb-retry (npm)

@petitcode/eb-retry malicious version 1.3.5, published by [email protected] is a trojanized npm package belonging to the wshu.net credential-stealer campaign. The campaign published trojanized look-alike utility packages across 12+ scopes whose publisher accounts all follow the pattern...

CVE-2026-56325

Capgo before 12.128.2 uses ILIKE pattern matching instead of exact matching for appid lookup in the preview subdomain resolver, allowing underscore characters in appid to act as SQL wildcards. Attackers can create apps with appids differing by one character at underscore positions to cause...

MAL-2026-6218 Malicious code in chai-as-attested (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 88e27467366a90f482eb47476458b1f74d5a41ac63371572e527f2e60e4e0b51 Package impersonates a pino-style logger exports module.exports.pino, ships pino-like DEFAULTLEVELS, keywords fast/logger/stream/json but the exporte...

MAL-2026-6220 Malicious code in chai-as-uphelded (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector aa7f5470790594e55393048fee0e7a9e6e6650776a06717258e410292d4dc8a9 Package name impersonates the popular chai-as-promised library, but its package.json description and keywords masquerade as a pino-style logger and a...

MAL-2026-6225 Malicious code in new-eslint-1 (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 7752e7f074edbf8521da2ee0b7c68c28a2f76d86576138df8f18e08aaa3a5c38 Package is published as 'new-eslint-1' but its package.json description, README, repository URL MikeMcl/big.js, and source are a verbatim copy of...

PT-2026-50922

Name of the Vulnerable Software and Affected Versions Chromacam version 4.0.3.0 Description An unquoted service path issue exists in the PsyFrameGrabberService. This allows local attackers with write access to C: or subdirectories such as C:Program Files x86Personify to execute arbitrary code. By...

CVE-2026-12566

The dockerpull module uses the realm parameter from a Docker registry's WWW-Authenticate response header as the authentication endpoint without validation. An attacker in a man-in-the-middle position between bbot and a Docker registry could modify this header to redirect the authentication reques...

MAL-2026-5901 Malicious code in chai-as-polished (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector b2ea0d46e0bb4382e8d684d025cb72b7f99e37874c571e9946ae1268b70be6cf Package name is a one-edit typosquat of the widely-used chai-as-promised, but the shipped code is unrelated to chai. The exported middleware spawns a...

Malicious code in chai-as-polished (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector b2ea0d46e0bb4382e8d684d025cb72b7f99e37874c571e9946ae1268b70be6cf Package name is a one-edit typosquat of the widely-used chai-as-promised, but the shipped code is unrelated to chai. The exported middleware spawns a...

Malicious code in chai-as-tokenized (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 55c10da182a0c79ca5eb0f85c6b2e334b7ee4e90946dfcc34feb44e80afa4485 Package name impersonates chai-as-promised, and the README is a copy of pino's documentation, but the actual code is a remote-code-execution dropper...

MAL-2026-5900 Malicious code in chai-as-decrypted (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 3ed93b06c95c42e3183b89e5fb1d9dea3f711bb20d766861c8d16b8d17f17cc9 Package name chai-as-decrypted mimics the popular chai-as-promised, and the README impersonates pino uses pino's npm badges and links to...

python-multipart: Semicolon treated as querystring field separator enables parameter smuggling

Summary QuerystringParser treated ; as a field separator in application/x-www-form-urlencoded bodies, in addition to &. The WHATWG URL standard, modern browsers, and Python's urllib.parse since the CVE-2021-23336 fix treat only & as a separator. This creates a parser differential: the same bytes...

PT-2026-49202

Name of the Vulnerable Software and Affected Versions ash authentication versions 0.1.0 through 4.13.x ash authentication versions 5.0.0-rc.0 through 5.0.0-rc.9 Description An authentication bypass by spoofing allows account takeover of local users during OAuth2 or OIDC sign-in. The issue occurs...

VulnCheck KEV: CVE-2026-25089

A improper neutralization of special elements used in an os command 'os command injection' vulnerability in Fortinet FortiSandbox 5.0.0 through 5.0.5, FortiSandbox 4.4.0 through 4.4.8, FortiSandbox 4.2 all versions, FortiSandbox Cloud 5.0.4 through 5.0.5, FortiSandbox PaaS 5.0.4 through 5.0.5 may...

MAL-2026-5714 Malicious code in vite-plugin-logo (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector b107e832dfd60ded8637d9a6db69c980eae13bde79da4cd01d69c5a1110aca2b On require, index.js walks up to 5 parent directories searching for public/assets/logo.png, scans the file bytes for the marker VITEASSETCACHEv1,...

CVE-2026-42890

CVE-2026-42890 affects the macOS desktop application Actual (version 25.x, Electron 39.2.7). The ELECTRON_RUN_AS_NODE fuse was not disabled, allowing a local attacker who can place a file on disk or influence command-line arguments to invoke Actual.app with ELECTRON_RUN_AS_NODE=1. This converts t...

CVE-2026-42890 actual Allows Electron to Run As Node

Actual is an open-source personal finance application. In the macOS desktop application version 25.x built on Electron 39.2.7, the ELECTRONRUNASNODE fuse is not disabled, allowing an attacker who can place a file on disk or control command-line arguments to invoke the signed Actual.app binary wit...