CVE-2022-27311: Gibbon v3.4.4 and below allows attackers to execute a Server-Side Request Forgery (SSRF) via a crafted URL.

Q: How do I fix CVE-2022-27311?

gibbon: upgrade to 3.4.4. Exact commands for each OS are on this page.

Q: Is CVE-2022-27311 being exploited?

CVE-2022-27311 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2022-27311 affect?

CVE-2022-27311 affects gibbon. Severity is critical (CVSS 9.8). Gibbon v3.4.4 and below allows attackers to execute a Server-Side Request Forgery (SSRF) via a crafted URL.

Q: How urgent is CVE-2022-27311?

Priority 58/100. Critical severity; Remotely exploitable, no login, no user action

This month

CRITICAL 9.8REMOTEUPGRADE

CVE-2022-27311 is a critical-severity flaw (CVSS 9.8) affecting gibbon. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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

Why this priority

Critical severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.6% (top 25%)
CISA exploited list	No
Weakness	CWE-918
Published	2022-04-25
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: gibbon project

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2022-04-25 13:15 UTCPublished CVE record published
2026-06-17 04:36 UTCUpdated Record last modified

gibbon project gibbon UPGRADE

Affected: < 3.4.4

Fixed in: 3.4.4

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy gibbon || rpm -q gibbon || gibbon --version

2. UPGRADE to 3.4.4 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade gibbon

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade gibbon

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2022-27311?

gibbon: upgrade to 3.4.4. Exact commands for each OS are on this page.

Is CVE-2022-27311 being exploited?

CVE-2022-27311 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2022-27311 affect?

CVE-2022-27311 affects gibbon. Severity is critical (CVSS 9.8). Gibbon v3.4.4 and below allows attackers to execute a Server-Side Request Forgery (SSRF) via a crafted URL.

How urgent is CVE-2022-27311?

Priority 58/100. Critical severity; Remotely exploitable, no login, no user action

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CVE-2024-34831 MEDIUM 6.1 DOWNGRADE cross-site scripting (XSS) vulnerability in Gibbon Core v26.0.00 allows an attacker to execute arbitrary code
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References

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