CVE-2025-27155: Github.com/matrix org/pinecone Cross-Site Scripting Vulnerability
MODERATECVE-2025-27155 is a MODERATE (CVSS 6.1) cross-site scripting vulnerability (CWE-80: Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)) affecting Github.com/matrix org/pinecone libraries in the Go ecosystem. The issue involves in-memory stored cross-site scripting (xss) vulnerability in pineconesim. Remediation is available in the latest vendor maintenance releases.
CVE-2025-27155 at a Glance
Security Impact
CVSS: 6.1
The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N).
How to Fix CVE-2025-27155
To remediate this vulnerability, upgrade all affected Github.com/matrix org/pinecone dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.
Upgrade github.com/matrix-org/pinecone to Latest secure releaseRun the following command in your project directory to verify that all resolved dependencies use the patched release:
inspect dependencies for github.com/matrix-org/pineconeHow to Check if You Are Affected
To determine whether your application is affected by CVE-2025-27155, inspect your project dependencies for Github.com/matrix org/pinecone:
inspect dependencies for github.com/matrix-org/pineconeAnalyze the terminal output to locate any version of Github.com/matrix org/pinecone in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than the patched release), your application is affected.
Note: Verify declared build manifests and deployed runtime container environments.
Technical Details
Vulnerability Mechanism & Technical Analysis
This vulnerability is classified under CWE-80: Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS), where the product receives input from an upstream component, but it does not neutralize or incorrectly neutralizes special characters such as "<", ">", and "&" that could be interpreted as web-scripting elements when they are sent to a downstream component that processes web pages. In Github.com/matrix org/pinecone, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.
Source Advisory Statement
CVE-2025-27155 Affected Github.com/matrix org/pinecone Versions
1 component(s)| Product / Package | Ecosystem | Affected Versions | Fixed Version |
|---|---|---|---|
|
github.com/matrix-org/pinecone
|
Go |
≤ 0.11.0
|
|
References
Frequently Asked Questions
What is CVE-2025-27155?
Which Github.com/matrix org/pinecone versions are affected?
What version fixes CVE-2025-27155?
Is github.com/matrix-org/pinecone affected?
What is the CVSS score of CVE-2025-27155?
What CWE is associated with CVE-2025-27155?
How can I check Go dependencies for CVE-2025-27155?
Machine-readable OSV JSON
OSV v1.5 Schema
{
"schema_version" : "1.4.0",
"id" : "GHSA-fr62-mg2q-7wqv",
"modified" : "2025-03-11T17:16:40Z",
"published" : "2025-03-04T17:23:15Z",
"aliases" : [ "CVE-2025-27155" ],
"summary" : "In-memory stored Cross-site scripting (XSS) vulnerability in pineconesim",
"details" : "### Impact\nThe Pinecone Simulator (pineconesim) included in Pinecone up to commit https://github.com/matrix-org/pinecone/commit/ea4c33717fd74ef7d6f49490625a0fa10e3f5bbc is vulnerable to stored cross-site scripting. The payload storage is not permanent and will be wiped when restarting pineconsim.\n\n### Patches\nCommit https://github.com/matrix-org/pinecone/commit/218b2801995b174085cb1c8fafe2d3aa661f85bd contains the fixes.\n\n### Workarounds\nN/A\n\n### For more information\n\nIf you have any questions or comments about this advisory, please email us at [security at matrix.org](mailto:security@matrix.org).",
"severity" : [ {
"type" : "CVSS_V3",
"score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"
} ],
"affected" : [ {
"package" : {
"ecosystem" : "Go",
"name" : "github.com/matrix-org/pinecone"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "0"
}, {
"last_affected" : "0.11.0"
} ]
} ]
} ],
"references" : [ {
"type" : "WEB",
"url" : "https://github.com/matrix-org/pinecone/security/advisories/GHSA-fr62-mg2q-7wqv"
}, {
"type" : "ADVISORY",
"url" : "https://nvd.nist.gov/vuln/detail/CVE-2025-27155"
}, {
"type" : "WEB",
"url" : "https://github.com/matrix-org/pinecone/commit/218b2801995b174085cb1c8fafe2d3aa661f85bd"
}, {
"type" : "PACKAGE",
"url" : "https://github.com/matrix-org/pinecone"
}, {
"type" : "WEB",
"url" : "https://pkg.go.dev/vuln/GO-2025-3500"
} ],
"database_specific" : {
"cwe_ids" : [ "CWE-79", "CWE-80" ],
"severity" : "MODERATE",
"github_reviewed" : true,
"github_reviewed_at" : "2025-03-04T17:23:15Z",
"nvd_published_at" : "2025-03-04T17:15:18Z"
}
}