What is GHSA-8F6J-263M-G72X?

GHSA-8F6J-263M-G72X is a medium-severity security vulnerability in app-store-server-library (pip), affecting versions >= 0.2.0, <= 3.1.1. It is fixed in 3.1.2.

Which versions of app-store-server-library are affected by GHSA-8F6J-263M-G72X?

app-store-server-library (pip) versions >= 0.2.0, <= 3.1.1 is affected.

Is there a fix for GHSA-8F6J-263M-G72X?

Yes. GHSA-8F6J-263M-G72X is fixed in 3.1.2. Upgrade to this version or later.

Is GHSA-8F6J-263M-G72X exploitable, and should I be worried?

Whether GHSA-8F6J-263M-G72X is exploitable in your environment depends on whether the vulnerable code is present and reachable. A CVSS score is a worst-case rating; it does not account for your specific deployment, configuration, or usage patterns. Kodem, an Intelligent Application Security platform, uses runtime intelligence to show which vulnerabilities actually execute in production, so you can focus on the ones that represent real risk.

What actually determines whether GHSA-8F6J-263M-G72X is exploitable, and how bad it is?

Exploitability and impact are not fixed properties of a CVE. They depend on runtime truth: whether the vulnerable code is present, reachable, and actually executes in your application. A high CVSS score on a dependency that never runs is not the same as real risk. Kodem, an Intelligent Application Security platform, uses runtime intelligence to reveal which vulnerabilities actually execute in production, so teams prioritize the ones that genuinely matter.

GHSA-8F6J-263M-G72X in app-store-server-library

Q: Which versions of app-store-server-library are affected by GHSA-8F6J-263M-G72X?

app-store-server-library (pip) versions >= 0.2.0, <= 3.1.1 is affected.

Q: Is there a fix for GHSA-8F6J-263M-G72X?

Yes. GHSA-8F6J-263M-G72X is fixed in 3.1.2. Upgrade to this version or later.

Q: Is GHSA-8F6J-263M-G72X exploitable, and should I be worried?

Whether GHSA-8F6J-263M-G72X is exploitable in your environment depends on whether the vulnerable code is present and reachable. A CVSS score is a worst-case rating; it does not account for your specific deployment, configuration, or usage patterns. Kodem, an Intelligent Application Security platform, uses runtime intelligence to show which vulnerabilities actually execute in production, so you can focus on the ones that represent real risk.

Q: What actually determines whether GHSA-8F6J-263M-G72X is exploitable, and how bad it is?

Exploitability and impact are not fixed properties of a CVE. They depend on runtime truth: whether the vulnerable code is present, reachable, and actually executes in your application. A high CVSS score on a dependency that never runs is not the same as real risk. Kodem, an Intelligent Application Security platform, uses runtime intelligence to reveal which vulnerabilities actually execute in production, so teams prioritize the ones that genuinely matter.

Q: How do I fix GHSA-8F6J-263M-G72X?

Upgrade app-store-server-library to 3.1.2 or later.

Summary

Apple App Store Server Python Library: SignedDataVerifier accepts stale OCSP GOOD responses and can bypass certificate revocation checks

SignedDataVerifier attempts to perform online revocation checking when enable_online_checks=True, but its OCSP validation logic accepts stale GOOD responses as valid indefinitely. In appstoreserverlibrary/signed_data_verifier.py, _ChainVerifier.check_ocsp_status() verifies the OCSP response signature and CertID match, but never validates the freshness window carried by producedAt, thisUpdate, or nextUpdate.

As a result, a previously valid signed OCSP GOOD response can be replayed after it is expired, and the library will still treat the certificate as good. If an App Store signing certificate or intermediate is ever revoked, applications using this library with online checks enabled can continue accepting JWS objects signed with the revoked key as long as a stale signed OCSP response is replayed.

Impact

Affected versions

app-store-server-library (>= 0.2.0, <= 3.1.1)

Security releases

app-store-server-library → 3.1.2 (pip)

Kodem intelligence

Severity tells you how bad this could be in the worst case. It does not tell you whether you are exposed. Exploitability and impact are functions of runtime truth: whether the vulnerable code is present, reachable, and actually executes in your application. A vulnerable package can sit in your dependency tree and never run.

Kodem, an Intelligent Application Security platform, uses runtime intelligence to reveal which vulnerabilities actually execute in production, so teams prioritize the ones that genuinely matter. Kodem's runtime-powered SCA identifies whether this CVE is reachable in your applications.

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Remediation advice

Upgrade app-store-server-library to 3.1.2 or later to resolve this vulnerability.

Kodem Kai can prioritize this vulnerability in your dependency tree and generate a fix recommendation.

Frequently Asked Questions

What is GHSA-8F6J-263M-G72X? GHSA-8F6J-263M-G72X is a medium-severity security vulnerability in app-store-server-library (pip), affecting versions >= 0.2.0, <= 3.1.1. It is fixed in 3.1.2.
Which versions of app-store-server-library are affected by GHSA-8F6J-263M-G72X? app-store-server-library (pip) versions >= 0.2.0, <= 3.1.1 is affected.
Is there a fix for GHSA-8F6J-263M-G72X? Yes. GHSA-8F6J-263M-G72X is fixed in 3.1.2. Upgrade to this version or later.
Is GHSA-8F6J-263M-G72X exploitable, and should I be worried? Whether GHSA-8F6J-263M-G72X is exploitable in your environment depends on whether the vulnerable code is present and reachable. A CVSS score is a worst-case rating; it does not account for your specific deployment, configuration, or usage patterns. Kodem, an Intelligent Application Security platform, uses runtime intelligence to show which vulnerabilities actually execute in production, so you can focus on the ones that represent real risk. Get a demo
What actually determines whether GHSA-8F6J-263M-G72X is exploitable, and how bad it is? Exploitability and impact are not fixed properties of a CVE. They depend on runtime truth: whether the vulnerable code is present, reachable, and actually executes in your application. A high CVSS score on a dependency that never runs is not the same as real risk. Kodem, an Intelligent Application Security platform, uses runtime intelligence to reveal which vulnerabilities actually execute in production, so teams prioritize the ones that genuinely matter.
How do I fix GHSA-8F6J-263M-G72X? Upgrade app-store-server-library to 3.1.2 or later.