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Malicious code in devplatform-sre-devplatform-sre-core (npm)

0
Critical
Published: 08/05/2026 (08/05/2026, 14:47:36 UTC)
Source: GCVE Database
Product: devplatform-sre-devplatform-sre-core

Description

--- _-= Per source details. Do not edit below this line.=-_ ## Source: amazon-inspector (90a5c16f77f85cd9f782efd521d9f6d2b677ab2468503d191d8763c400f366b8) On require() of this package, index.js loads _helpers.js which selects an OS/arch-specific path and downloads a native binary from one of three Cloudflare Workers hosts (oob-worker.cf99-9b3.workers.dev, oob-worker.cf103-070.workers.dev, oob-worker.cf101-adf.workers.dev) whose hostnames are reconstructed at runtime via array.join("") to evade static analysis. The binary is written to /tmp or the Windows Temp directory under disguised names (dotnet_diag_<hex>.exe,.cache_<hex>), chmod 0755'd, and spawn-detached via /bin/sh -c "<path> &" or cmd.exe /c start /b. A DNS-TXT covert-channel fallback under *.dl.wel1.ru (sdk./ext./pkg./net.dl.wel1.ru) reassembles the payload from base64-encoded TXT records (count record c.<domain>, chunk records i.<domain>) when HTTPS delivery fails, then writes and executes the same way. A lockfile named.analytics_state and dotnet_diag-style filenames provide the cover story. This grants full remote code execution to whoever controls those endpoints on any machine that installs or imports the package. ## Source: ghsa-malware (8eadf4ae9ccb7531ac8f7d7bffccd987c3706ec89be048fb4d5dbe370b53f713) Any computer that has this package installed or running should be considered fully compromised. All secrets and keys stored on that computer should be rotated immediately from a different computer. The package should be removed, but as full control of the computer may have been given to an outside entity, there is no guarantee that removing the package will remove all malicious software resulting from installing it.

Affected software

npmghsa
devplatform-sre-devplatform-sre-core
Affected versions
=35.1.8

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AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 08/05/2026, 22:01:57 UTC

Technical Analysis

The devplatform-sre-devplatform-sre-core npm package version 35.1.8 includes malicious functionality triggered upon require(). It loads a helper script that dynamically reconstructs hostnames to evade static detection and downloads a native binary from Cloudflare Workers domains. The binary is saved to temporary directories under deceptive names, permissioned to execute, and launched detached from the parent process. If HTTPS delivery is blocked, a DNS-TXT covert channel reassembles the payload from base64-encoded TXT records under the dl.wel1.ru domain. This mechanism grants full remote code execution to an attacker controlling these endpoints on any system using this package.

Potential Impact

An attacker controlling the delivery endpoints can achieve full remote code execution on any machine that installs or imports the affected package version. This enables arbitrary code execution with the privileges of the running process, potentially leading to system compromise, data theft, or further malicious activity.

Mitigation Recommendations

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix or removal of the malicious package is confirmed, avoid installing or importing devplatform-sre-devplatform-sre-core version 35.1.8. Consider using trusted package sources and verifying package integrity before use.

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Technical Details

Gcve Source
db.gcve.eu
Osv Id
MAL-2026-13264
Osv Schema Version
1.7.4
Ecosystems
["npm"]

Threat ID: 6a73852ebf8831d5394f059a

Added to database: 08/05/2026, 18:47:10 UTC

Last enriched: 08/05/2026, 22:01:57 UTC

Last updated: 09/07/2026, 22:16:12 UTC

Views: 18

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