CVE-2026-41331 | OpenClaw up to 2026.3.30 Telegram Audio Preflight Transcription amplification (GHSA-m6fx-m8hc-572m)

VDB-358413 · CVE-2026-41331 · GHSA-M6FX-M8HC-572M OPENCLAW UP TO 2026.3.30 TELEGRAM AUDIO PREFLIGHT TRANSCRIPTION AMPLIFICATION HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 5.2 $0-$5k 3.85+ Summaryinfo A vulnerability classified as problematic has been found in OpenClaw up to 2026.3.30. Affected by this vulnerability is an unknown functionality of the component Telegram Audio Preflight Transcription. Performing a manipulation results in amplification. This vulnerability was named CVE-2026-41331. The attack may be initiated remotely. There is no available exploit. It is recommended to upgrade the affected component. Detailsinfo A vulnerability was found in OpenClaw up to 2026.3.30. It has been classified as problematic. This affects some unknown processing of the component Telegram Audio Preflight Transcription. The manipulation with an unknown input leads to a amplification vulnerability. CWE is classifying the issue as CWE-408. The product allows an entity to perform a legitimate but expensive operation before authentication or authorization has taken place. This is going to have an impact on availability. The summary by CVE is: OpenClaw before 2026.3.31 contains a resource consumption vulnerability in Telegram audio preflight transcription that allows unauthorized group senders to trigger transcription processing. Attackers can exploit insufficient allowlist enforcement to cause resource or billing consumption by initiating audio preflight operations before authorization checks are applied. The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2026-41331 since 04/20/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1499.002 for this issue. Upgrading to version 2026.3.31 eliminates this vulnerability. Applying the patch c4fa8635d03943ffe9e294d501089521dca635c5 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 Artificial Intelligence Software Name OpenClaw Version 2026.3.0 2026.3.1 2026.3.2 2026.3.3 2026.3.4 2026.3.5 2026.3.6 2026.3.7 2026.3.8 2026.3.9 2026.3.10 2026.3.11 2026.3.12 2026.3.13 2026.3.14 2026.3.15 2026.3.16 2026.3.17 2026.3.18 2026.3.19 2026.3.20 2026.3.21 2026.3.22 2026.3.23 2026.3.24 2026.3.25 2026.3.26 2026.3.27 2026.3.28 2026.3.29 2026.3.30 License open-source Website Product: https://github.com/openclaw/openclaw/ 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: 5.3 VulDB Meta Temp Score: 5.2 VulDB Base Score: 5.3 VulDB Temp Score: 5.1 VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA Base Score: 5.3 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: Amplification CWE: CWE-408 / CWE-405 / CWE-400 CAPEC: 🔒 ATT&CK: 🔒 Physical: No Local: No Remote: Yes 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: OpenClaw 2026.3.31 Patch: c4fa8635d03943ffe9e294d501089521dca635c5 Timelineinfo 04/20/2026 CVE reserved 04/21/2026 +1 days Advisory disclosed 04/21/2026 +0 days VulDB entry created 04/21/2026 +0 days VulDB entry last update Sourcesinfo Product: github.com Advisory: GHSA-m6fx-m8hc-572m Status: Confirmed CVE: CVE-2026-41331 (🔒) GCVE (CVE): GCVE-0-2026-41331 GCVE (VulDB): GCVE-100-358413 Entryinfo Created: 04/21/2026 07:22 Changes: 04/21/2026 07:22 (78) Complete: 🔍 Cache ID: 99:B68:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸