CVE-2022-27311

CRITICALNVD 9.89.8—

9.8

Gibbon v3.4.4 and below allows attackers to execute a Server-Side Request Forgery (SSRF) via a crafted URL.

CVSS v3: 9.8
EG Score: 9.8(medium)
EPSS: 50.6%
KEV: Not listed

Published

April 25, 2022

Last Modified

November 21, 2024

Advisory Details (3)

Auto-updated May 25, 2026

Upstream fix merged — awaiting tagged release. Sources: github_commit, github_pr.

github_pr

Raise if the root domain changed unexepectedly

Fix merged in amro/gibbon PR #321 on 2022-02-18 — awaiting tagged release

https://github.com/amro/gibbon/pull/321

github_commit

commit cade20ca2438 (amro/gibbon)

Fix landed in amro/gibbon commit cade20ca2438 — awaiting tagged release

https://github.com/amro/gibbon/commit/cade20ca2438cd1b182dad70cbb77fb895779d10

github_commit

commit b2eb99ed304d (amro/gibbon)

Fix landed in amro/gibbon commit b2eb99ed304d — awaiting tagged release

https://github.com/amro/gibbon/commit/b2eb99ed304d7491a6d348a5bbdc83a008fc6e0b

Affected Packages

(1 across 1 ecosystem)

RubyGems(1)

Package	Vulnerable range	Fixed in	Dependents
gibbon	0.1.0 ... 3.4.3 (59 versions)	3.4.4	—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-918Server-Side Request Forgery (SSRF)

Data Freshness Timeline

(refreshed 6× in last 7d / 6× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-27 13:39 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-25 23:15 UTCEG score recompute

Frequently asked(5)

What is CVE-2022-27311?

CVE-2022-27311 is a critical vulnerability published on April 25, 2022. Gibbon v3.4.4 and below allows attackers to execute a Server-Side Request Forgery (SSRF) via a crafted URL.

When was CVE-2022-27311 disclosed?

CVE-2022-27311 was first published in the National Vulnerability Database on April 25, 2022, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2022-27311 actively exploited?

CVE-2022-27311 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 50.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2022-27311?

CVE-2022-27311 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2022-27311?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-27311, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2022-27311

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