CVE-2026-32883 | randombit botan up to 3.10.x X509 Path Validation signature verification (GHSA-9j2j-hqmc-hf5x)

VDB-354272 · CVE-2026-32883 · GHSA-9J2J-HQMC-HF5X RANDOMBIT BOTAN UP TO 3.10.X X509 PATH VALIDATION SIGNATURE VERIFICATION HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 4.7 $0-$5k 1.46 Summaryinfo A vulnerability, which was classified as problematic, was found in randombit botan up to 3.10.x. The affected element is an unknown function of the component X509 Path Validation Handler. Such manipulation leads to signature verification. This vulnerability is uniquely identified as CVE-2026-32883. The attack can be launched remotely. No exploit exists. You should upgrade the affected component. Detailsinfo A vulnerability was found in randombit botan up to 3.10.x and classified as problematic. Affected by this issue is some unknown functionality of the component X509 Path Validation Handler. The manipulation with an unknown input leads to a signature verification vulnerability. Using CWE to declare the problem leads to CWE-347. The product does not verify, or incorrectly verifies, the cryptographic signature for data. Impacted is integrity. CVE summarizes: Botan is a C++ cryptography library. From version 3.0.0 to before version 3.11.0, during X509 path validation, OCSP responses were checked for an appropriate status code, but critically omitted verifying the signature of the OCSP response itself. This issue has been patched in version 3.11.0. The advisory is shared for download at github.com. This vulnerability is handled as CVE-2026-32883 since 03/16/2026. The exploitation is known to be difficult. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available. Upgrading to version 3.11.0 eliminates this vulnerability. Productinfo Vendor randombit Name botan Version 3.0 3.1 3.2 3.3 3.4 3.5 3.6 3.7 3.8 3.9 3.10 License open-source Website Product: https://github.com/randombit/botan/ CPE 2.3info 🔒 🔒 🔒 CPE 2.2info 🔒 🔒 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv3info VulDB Meta Base Score: 4.8 VulDB Meta Temp Score: 4.7 VulDB Base Score: 3.7 VulDB Temp Score: 3.6 VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA Base Score: 5.9 CNA Vector (GitHub_M): 🔒 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: Signature verification CWE: CWE-347 / CWE-345 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: botan 3.11.0 Timelineinfo 03/16/2026 CVE reserved 03/30/2026 +14 days VulDB entry created 03/31/2026 +0 days Advisory disclosed 03/31/2026 +0 days VulDB entry last update Sourcesinfo Product: github.com Advisory: GHSA-9j2j-hqmc-hf5x Status: Confirmed CVE: CVE-2026-32883 (🔒) GCVE (CVE): GCVE-0-2026-32883 GCVE (VulDB): GCVE-100-354272 Entryinfo Created: 03/31/2026 00:19 Changes: 03/31/2026 00:19 (64) Complete: 🔍 Cache ID: 99:07F:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸