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Apache Thrift EUVDEUVD-2026-91372

| CVE-2026-91137 HIGH
Improper Validation of Specified Quantity in Input (CWE-1284)
2026-10-02 apache GHSA-r276-xrw4-gpgm
8.7
CVSS 4.0 · Vendor: apache
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Severity by source

Vendor (apache) PRIMARY
8.7 HIGH
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
vuln.today AI
7.5 HIGH

Remote, unauthenticated, single-request resource exhaustion (AV:N/AC:L/PR:N/UI:N) with impact limited to availability (A:H), no confidentiality or integrity effect.

3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
SUSE
7.5 HIGH
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Primary rating from Vendor (apache).

CVSS VectorVendor: apache

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
X

Lifecycle Timeline

4
Metadata Corrected
Oct 02, 2026 - 11:40 vuln.today
tag: Information Disclosure removed
Patch available
Oct 02, 2026 - 11:17 EUVD
Analysis Generated
Oct 02, 2026 - 11:01 vuln.today
CVE Published
Oct 02, 2026 - 10:18 cve.org
HIGH 8.7

DescriptionCVE.org

Improper validation of specified quantity in input, Allocation of resources without limits or throttling, Excessive Iteration vulnerability in Apache Thrift PHP bindings.

This issue affects Apache Thrift: before 0.25.0.

Users are recommended to upgrade to version 0.25.0, which fixes the issue.

AnalysisAI

Denial of service in the Apache Thrift PHP bindings before version 0.25.0 lets remote, unauthenticated attackers exhaust CPU and memory on a Thrift-serving PHP application by sending a crafted Thrift message whose declared quantity is never validated. Per the assessed CVSS:3.1 vector (AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H, vendor CVSS 4.0 base 8.7), the weakness is availability-only: there is no code execution, data exposure, or integrity impact, and only deployments that use the PHP bindings to parse untrusted Thrift input over the network are exposed. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
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Delivery
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Exploit
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Execution
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Vulnerability AssessmentAI

Exploitation The affected application must use the Apache Thrift PHP bindings (version before 0.25.0) to parse or deserialize attacker-controlled Thrift messages - the flaw lies in the PHP protocol parsing path where a client-specified quantity is not validated before allocation/iteration. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment This is a denial-of-service vulnerability in the Apache Thrift PHP bindings, driven by three related weaknesses (improper validation of specified quantity in input per CWE-1284, unbounded resource allocation, and excessive iteration). … 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 Vendor-released patch: upgrade Apache Thrift (PHP bindings) to version 0.25.0, the version named in the advisory as containing the fix, and redeploy any PHP service that links the library; confirm the upgraded version in dependency manifests and lockfiles, since the PHP bindings are often pulled in transitively. … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 24 hours, inventory every application, gateway, and internal service that uses the Apache Thrift PHP bindings and determine whether it parses Thrift messages from untrusted networks; for any such endpoint, restrict network access to trusted sources only (firewall, security group, or API gateway allow-list) and add upstream rate limiting, request-size caps, and connection timeouts on the Thrift listener. …

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Vendor StatusVendor

SUSE

Severity: Important
Product Status
openSUSE Tumbleweed Fixed

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EUVD-2026-91372 vulnerability details – vuln.today

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