CVE-2026-5556 | badlogic pi-mono up to 0.58.4 loader.ts discoverAndLoadExtensions code injection

VDB-355326 · CVE-2026-5556 · GCVE-100-355326 BADLOGIC PI-MONO UP TO 0.58.4 LOADER.TS DISCOVERANDLOADEXTENSIONS CODE INJECTION HISTORYDIFFRELATEJSONXMLCTI Summaryinfo A vulnerability was found in badlogic pi-mono up to 0.58.4. It has been declared as critical. This issue affects the function discoverAndLoadExtensions of the file packages/coding-agent/src/core/extensions/loader.ts. The manipulation results in code injection. This vulnerability is identified as CVE-2026-5556. The attack can be executed remotely. Additionally, an exploit exists. The vendor was contacted early about this disclosure but did not respond in any way. Detailsinfo A vulnerability was found in badlogic pi-mono up to 0.58.4. It has been classified as critical. Affected is the function discoverAndLoadExtensions of the file packages/coding-agent/src/core/extensions/loader.ts. The manipulation with an unknown input leads to a code injection vulnerability. CWE is classifying the issue as CWE-94. The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment. This is going to have an impact on confidentiality, integrity, and availability. The advisory is available at github.com. This vulnerability is traded as CVE-2026-5556. The exploitability is told to be easy. It is possible to launch the attack remotely. Technical details and a public exploit are known. This vulnerability is assigned to T1059 by the MITRE ATT&CK project. The exploit is shared for download at github.com. It is declared as proof-of-concept. The vendor was contacted early about this disclosure but did not respond in any way. There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product. Productinfo Vendor badlogic Name pi-mono Version 0.58.0 0.58.1 0.58.2 0.58.3 0.58.4 CPE 2.3info 🔒 🔒 🔒 CPE 2.2info 🔒 🔒 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv3info VulDB Meta Base Score: 6.3 VulDB Meta Temp Score: 5.7 VulDB Base Score: 6.3 VulDB Temp Score: 5.7 VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv2info Vector Complexity Authentication Confidentiality Integrity Availability Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock VulDB Base Score: 🔒 VulDB Temp Score: 🔒 VulDB Reliability: 🔍 Exploitinginfo Class: Code injection CWE: CWE-94 / CWE-74 / CWE-707 CAPEC: 🔒 ATT&CK: 🔒 Physical: No Local: No Remote: Yes Availability: 🔒 Access: Public Status: Proof-of-Concept Download: 🔒 Price Prediction: 🔍 Current Price Estimation: 🔒 0-Day Unlock Unlock Unlock Unlock Today Unlock Unlock Unlock Unlock Threat Intelligenceinfo Interest: 🔍 Active Actors: 🔍 Active APT Groups: 🔍 Countermeasuresinfo Recommended: no mitigation known Status: 🔍 0-Day Time: 🔒 Timelineinfo 04/04/2026 Advisory disclosed 04/04/2026 +0 days VulDB entry created 04/04/2026 +0 days VulDB entry last update Sourcesinfo Advisory: github.com Status: Not defined CVE: CVE-2026-5556 (🔒) GCVE (CVE): GCVE-0-2026-5556 GCVE (VulDB): GCVE-100-355326 scip Labs: https://www.scip.ch/en/?labs.20161013 Entryinfo Created: 04/04/2026 15:52 Changes: 04/04/2026 15:52 (56) Complete: 🔍 Submitter: Yu Bao Cache ID: 99:1F2:101 Submitinfo Accepted Submit #782876: badlogic pi-mono 0.58.4 Zero-Click Remote Code Execution (by Yu Bao) Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸