How severe is GHSA-3jhm-87m6-x959?

No CVSS score has been assigned to GHSA-3jhm-87m6-x959 yet. Review the advisory details and affected package list to assess your exposure.

Which packages are affected by GHSA-3jhm-87m6-x959?

GHSA-3jhm-87m6-x959 affects the following packages: github.com/cloudflare/cfrpki (Go). Ecosystems affected: Go.

How do I fix GHSA-3jhm-87m6-x959?

Update github.com/cloudflare/cfrpki to 1.4.3 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-3jhm-87m6-x959 is resolved across your whole dependency graph.

How do I detect GHSA-3jhm-87m6-x959 in my Go dependencies?

Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for github.com/cloudflare/cfrpki, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

How do I mitigate GHSA-3jhm-87m6-x959 if there is no patch (or I can't update yet)?

Resolve every user-supplied path to its canonical form and reject anything that escapes the intended directory, and run the component under an account that has no read or write access outside the directory it legitimately serves.

Is GHSA-3jhm-87m6-x959 actively exploited in the wild?

No public exploit code has been indexed for GHSA-3jhm-87m6-x959 yet. This does not mean the vulnerability cannot be exploited — absence of public exploits does not imply safety. Apply the recommended fix and use O3 Security to monitor your exposure.

When was GHSA-3jhm-87m6-x959 published, and has it been updated?

GHSA-3jhm-87m6-x959 was published on June 25, 2022 and was last updated on February 4, 2026. Advisory data evolves as severity scores, affected ranges, and exploit intelligence are revised — always check the latest version of the advisory before acting.

🐹 Go

Not in CISA KEV

GHSA-3jhm-87m6-x959 — cfrpki

GHSA-3jhm-87m6-x959 is a security vulnerability in github.com/cloudflare/cfrpki. A fix is available for github.com/cloudflare/cfrpki — see the affected versions and patch details below.

Path traversal mitigation bypass in OctoRPKI

Also known asGO-2022-0496

Published

Jun 25, 2022

Updated

Feb 4, 2026

Affected

1 pkg

Patched

1 / 1

Exploits

None indexed

Exploitation data as of Feb 4, 2026 · OSV.dev, FIRST.org (EPSS)

Real-World Exposure

1 pkg affected

🐹github.com/cloudflare/cfrpki

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects Go packages — download data is not available via public APIs for these ecosystems.

Description

Impact

The existing URI path filters in OctoRPKI (version < 1.4.3) mitigating Path traversal vulnerability could be bypassed by an attacker. In case a malicious TAL file is parsed, it was possible to write files outside the base cache folder.

Specific Go Packages Affected

github.com/cloudflare/cfrpki/cmd/octorpki

Patches

The issue was fixed in version 1.4.3

References

CVE-2021-3907

Affected Packages

1 total 1 fixed

Ecosystem	Package	Vulnerable range	Fix
🐹Go	`github.com/cloudflare/cfrpki`	all versions	1.4.3`go get github.com/cloudflare/cfrpki@v1.4.3`

Detection & mitigation playbook

Open-source dependency

Detect
Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for github.com/cloudflare/cfrpki, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.
Fix
Update github.com/cloudflare/cfrpki to 1.4.3 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-3jhm-87m6-x959 is resolved across your whole dependency graph.
Workarounds
Resolve every user-supplied path to its canonical form and reject anything that escapes the intended directory, and run the component under an account that has no read or write access outside the directory it legitimately serves.

Frequently Asked Questions

### Impact The existing URI path filters in OctoRPKI (version < 1.4.3) mitigating Path traversal vulnerability could be bypassed by an attacker. In case a malicious TAL file is parsed, it was possible to write files outside the base cache folder. ### Specific Go Packages Affected github.com/cloudflare/cfrpki/cmd/octorpki ### Patches The issue was fixed in version 1.4.3 ### References [CVE-2021-3907](https://www.cvedetails.com/cve/CVE-2021-3907/)

O3 Security · Impact-Aware SCA

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