CVE-2026-40517 | radareorg radare2 up to 6.1.3 PDB Parser print_gvars os command injection (Bug 25730)

VDB-359108 · CVE-2026-40517 · BUG 25730 RADAREORG RADARE2 UP TO 6.1.3 PDB PARSER PRINT_GVARS OS COMMAND INJECTION HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 6.4 $0-$5k 1.89+ Summaryinfo A vulnerability categorized as critical has been discovered in radareorg radare2 up to 6.1.3. This affects the function print_gvars of the component PDB Parser. Such manipulation leads to os command injection. This vulnerability is listed as CVE-2026-40517. The attack must be carried out locally. There is no available exploit. It is advisable to upgrade the affected component. Detailsinfo A vulnerability was found in radareorg radare2 up to 6.1.3. It has been rated as critical. Affected by this issue is the function print_gvars of the component PDB Parser. The manipulation with an unknown input leads to a os command injection vulnerability. Using CWE to declare the problem leads to CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. Impacted is confidentiality, integrity, and availability. CVE summarizes: radare2 prior to 6.1.4 contains a command injection vulnerability in the PDB parser's print_gvars() function that allows attackers to execute arbitrary commands by crafting a malicious PDB file with newline characters in symbol names. Attackers can inject arbitrary radare2 commands through unsanitized symbol name interpolation in the flag rename command, which are then executed when a user runs the idp command against the malicious PDB file, enabling arbitrary OS command execution through radare2's shell execution operator. The weakness was presented by Jun Rong as 25730. The advisory is shared for download at blog.calif.io. This vulnerability is handled as CVE-2026-40517 since 04/13/2026. The exploitation is known to be easy. The attack needs to be approached locally. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1202. Upgrading to version 6.1.4 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version. Productinfo Type Programming Tool Software Vendor radareorg Name radare2 Version 6.1.0 6.1.1 6.1.2 6.1.3 License open-source Website Product: https://github.com/radareorg/radare2/ CPE 2.3info 🔒 🔒 🔒 CPE 2.2info 🔒 🔒 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA CVSS-B Score: 🔒 CNA CVSS-BT Score: 🔒 CNA Vector: 🔒 CVSSv3info VulDB Meta Base Score: 6.5 VulDB Meta Temp Score: 6.4 VulDB Base Score: 5.3 VulDB Temp Score: 5.1 VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA Base Score: 7.8 CNA Vector (VulnCheck): 🔒 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: Os command injection CWE: CWE-78 / CWE-77 / CWE-74 CAPEC: 🔒 ATT&CK: 🔒 Physical: Partially Local: Yes Remote: Partially Availability: 🔒 Status: Not defined 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: Upgrade Status: 🔍 0-Day Time: 🔒 Upgrade: radare2 6.1.4 Patch: github.com Timelineinfo 04/13/2026 CVE reserved 04/23/2026 +10 days Advisory disclosed 04/23/2026 +0 days VulDB entry created 04/23/2026 +0 days VulDB entry last update Sourcesinfo Product: github.com Advisory: 25730 Researcher: Jun Rong Status: Confirmed CVE: CVE-2026-40517 (🔒) GCVE (CVE): GCVE-0-2026-40517 GCVE (VulDB): GCVE-100-359108 Entryinfo Created: 04/23/2026 07:16 Changes: 04/23/2026 07:16 (81) Complete: 🔍 Cache ID: 99:AD2:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸