EUVD-2026-91563
GHSA-pjxr-77cv-5rj7
Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Remote unauthenticated parsing of untrusted Thrift input with no interaction gives AV:N/AC:L/PR:N/UI:N; uncaught exception yields availability-only impact (A:H, C:N, I:N).
Primary rating from Vendor (apache).
CVSS VectorVendor: apache
Lifecycle Timeline
4DescriptionCVE.org
Uncaught exception, Improper validation of specified quantity in input, Improperly controlled modification of object prototype attributes ('prototype pollution') vulnerability in Apache Thrift nodejs bindings.
This issue affects Apache Thrift: before 0.25.0.
Users are recommended to upgrade to version 0.25.0, which fixes the issue.
Articles & Coverage 1
AnalysisAI
Denial of service in the Apache Thrift Node.js bindings (all versions before 0.25.0) lets remote, unauthenticated attackers crash the hosting Node.js process by delivering a crafted Thrift message that triggers an uncaught exception during deserialization. The vendor-supplied CVSS 4.0 score of 8.7 is driven entirely by availability impact (VA:H) with no confidentiality or integrity impact (VC:N/VI:N), and our independent assessment maps this to CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - no authentication, user interaction, or non-default configuration is required, so any deployment that parses untrusted Thrift input over the network is exposed. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires a service that uses the Apache Thrift Node.js bindings (version before 0.25.0) to parse attacker-supplied Thrift messages over the network; the attacker must be able to deliver a crafted message to that endpoint. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The vendor-supplied CVSS 4.0 score of 8.7 (High) is driven entirely by availability impact (VA:H) with no confidentiality or integrity impact (VC:N/VI:N), reflecting the primary CWE-248 'Uncaught Exception' weakness that crashes the Node.js process. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Upgrade the Apache Thrift Node.js bindings to version 0.25.0 or later, which is the vendor-released fix for CVE-2026-94646 (see the advisories at https://lists.apache.org/thread/33otcgbqd27wf6qq810q56znzbomnhg1 and https://lists.apache.org/thread/5hjh0gz8wf6bo7ydxjpqj92m42hwmfo8). … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, inventory every Node.js service that depends on the Apache Thrift bindings, record the installed version, and flag any instance below 0.25.0 that accepts Thrift input from the network rather than from trusted internal callers only; for those exposed instances, immediately restrict reachability using firewall rules, API gateway or WAF allow-lists, and mutual TLS so that only known clients can submit Thrift payloads, and confirm the Node.js process is running under a supervisor that auto-restarts on failure while alerting on repeated crash loops. …
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Same weakness CWE-248 – Uncaught Exception
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