CVE-2026-59094: Inefficient Algorithmic Complexity in pathwaycom pathway
Pathway through 0.31.1, fixed in commit d09722e, document store applies a caller-supplied glob pattern to indexed document paths using a hand-written recursive matcher that branches two ways on each ** token without memoization, giving exponential worst-case complexity. The filepath_globpattern value is taken from the body of the unauthenticated HTTP endpoints /v1/retrieve, /v1/inputs and /v2/answer and compiled into a filter evaluated once per indexed document, with no length or **-count limit. A remote unauthenticated attacker can submit a short pattern containing many ** tokens to consume CPU for tens of seconds per request, and a small number of requests denies service.
AI Analysis
Technical Summary
CVE-2026-59094 describes an algorithmic complexity vulnerability in the pathwaycom pathway document store up to version 0.31.1. The document store applies a caller-supplied glob pattern to indexed document paths using a recursive matcher that branches on each '**' token without memoization, leading to exponential worst-case complexity. The vulnerable endpoints (/v1/retrieve, /v1/inputs, /v2/answer) accept unauthenticated HTTP requests containing the filepath_globpattern parameter. Attackers can craft short patterns with many '**' tokens to cause high CPU usage for tens of seconds per request, enabling denial of service with a small number of requests. The issue is fixed in commit d09722e, but no official patch release or vendor advisory is provided.
Potential Impact
This vulnerability allows remote unauthenticated attackers to cause denial of service by submitting specially crafted glob patterns that trigger exponential CPU consumption in the document store's recursive matcher. There is no impact on confidentiality or integrity reported. The denial of service can disrupt availability of the pathway service.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. The vulnerability is fixed in commit d09722e, so applying this fix or upgrading to a version including this commit is recommended once available. Until then, consider restricting access to the vulnerable endpoints or implementing rate limiting to mitigate denial of service risk.
CVE-2026-59094: Inefficient Algorithmic Complexity in pathwaycom pathway
Description
Pathway through 0.31.1, fixed in commit d09722e, document store applies a caller-supplied glob pattern to indexed document paths using a hand-written recursive matcher that branches two ways on each ** token without memoization, giving exponential worst-case complexity. The filepath_globpattern value is taken from the body of the unauthenticated HTTP endpoints /v1/retrieve, /v1/inputs and /v2/answer and compiled into a filter evaluated once per indexed document, with no length or **-count limit. A remote unauthenticated attacker can submit a short pattern containing many ** tokens to consume CPU for tens of seconds per request, and a small number of requests denies service.
CVSS v3.1
Score 7.5high
Affected software
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-59094 describes an algorithmic complexity vulnerability in the pathwaycom pathway document store up to version 0.31.1. The document store applies a caller-supplied glob pattern to indexed document paths using a recursive matcher that branches on each '**' token without memoization, leading to exponential worst-case complexity. The vulnerable endpoints (/v1/retrieve, /v1/inputs, /v2/answer) accept unauthenticated HTTP requests containing the filepath_globpattern parameter. Attackers can craft short patterns with many '**' tokens to cause high CPU usage for tens of seconds per request, enabling denial of service with a small number of requests. The issue is fixed in commit d09722e, but no official patch release or vendor advisory is provided.
Potential Impact
This vulnerability allows remote unauthenticated attackers to cause denial of service by submitting specially crafted glob patterns that trigger exponential CPU consumption in the document store's recursive matcher. There is no impact on confidentiality or integrity reported. The denial of service can disrupt availability of the pathway service.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. The vulnerability is fixed in commit d09722e, so applying this fix or upgrading to a version including this commit is recommended once available. Until then, consider restricting access to the vulnerable endpoints or implementing rate limiting to mitigate denial of service risk.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulnCheck
- Date Reserved
- 2026-07-02T15:38:18.928Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a46c86427e9c79719043941
Added to database: 07/02/2026, 20:21:56 UTC
Last enriched: 07/02/2026, 20:36:27 UTC
Last updated: 07/02/2026, 21:00:03 UTC
Views: 3
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