How severe is CVE-2022-29718?

CVE-2022-29718 has a CVSS score of 6.1/10, rated MEDIUM. Review your exposure and patch according to your risk tolerance.

Which packages are affected by CVE-2022-29718?

CVE-2022-29718 affects the following packages: github.com/caddyserver/caddy (Go), github.com/caddyserver/caddy/v2 (Go). Ecosystems affected: Go.

How do I fix CVE-2022-29718?

Update github.com/caddyserver/caddy to 2.5.0 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2022-29718 is resolved across your whole dependency graph.

How do I detect CVE-2022-29718 in my Go dependencies?

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

How do I mitigate CVE-2022-29718 if there is no patch (or I can't update yet)?

Stop reflecting attacker-controlled destinations: resolve every redirect target against an allowlist of paths or hosts you own, prefer a server-side key over a full URL in the request, and reject absolute URLs entirely where the flow only ever needs a relative one.

Is CVE-2022-29718 actively exploited in the wild?

No public exploit code has been indexed for CVE-2022-29718 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.

What is the EPSS score for CVE-2022-29718?

CVE-2022-29718 has an EPSS (Exploit Prediction Scoring System) score of 1.1%, placing it in the 65th percentile of all CVEs. EPSS is maintained by FIRST.org and estimates the probability that a vulnerability will be exploited in the wild within the next 30 days. This score indicates relatively lower exploitation probability, though the CVSS severity should still guide your patching priority.

What type of vulnerability is CVE-2022-29718?

CVE-2022-29718 is classified as Open Redirect (CWE-601). This weakness type describe the underlying flaw category, which helps determine the potential impact and the right class of mitigation.

When was CVE-2022-29718 published, and has it been updated?

CVE-2022-29718 was published on June 2, 2022 and was last updated on October 28, 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

MEDIUM severity

CVE-2022-29718 — caddy

MEDIUMFix: caddyserver/caddy#4499

CVE-2022-29718 is a medium-severity (CVSS 6.1) Open Redirect vulnerability in github.com/caddyserver/caddy. A fix is available for github.com/caddyserver/caddy — see the affected versions and patch details below.

Open redirect in caddy

Also known asGHSA-2927-hv3p-f3vp

Published

Jun 2, 2022

Updated

Oct 28, 2026

Affected

2 pkgs

Patched

2 / 2

Exploits

None indexed

Exploitation data as of Nov 6, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗

1.1%probability of exploitation in next 30 days

Lower Risk0.00%

Lower risk than most CVEs65th percentile — riskier than 65% of all scored CVEsHighest risk

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

Where this sits among everything scored

Real-World Exposure

2 pkgs affected

🐹github.com/caddyserver/caddy🐹github.com/caddyserver/caddy/v2

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

Caddy v2.4 was discovered to contain an open redirect vulnerability. A remote unauthenticated attacker may exploit this vulnerability to redirect users to arbitrary web URLs by tricking the victim users to click on crafted links.

Affected Packages

2 total 2 fixed

Ecosystem	Package	Vulnerable range	Fix
🐹Go	`github.com/caddyserver/caddy`	all versions	2.5.0`go get github.com/caddyserver/caddy@v2.5.0`
🐹Go	`github.com/caddyserver/caddy/v2`	all versions	2.5.0`go get github.com/caddyserver/caddy/v2@v2.5.0`

Affected Products

1 product · 1 configurations

Application

caddycaddyserver

≥ 2.4.0 && < 2.5.0

range

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/caddyserver/caddy, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.
Fix
Update github.com/caddyserver/caddy to 2.5.0 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2022-29718 is resolved across your whole dependency graph.
Workarounds
Stop reflecting attacker-controlled destinations: resolve every redirect target against an allowlist of paths or hosts you own, prefer a server-side key over a full URL in the request, and reject absolute URLs entirely where the flow only ever needs a relative one.

Frequently Asked Questions

O3 Security · Impact-Aware SCA

Is CVE-2022-29718 in your dependencies?

Find it across Go, including transitive dependencies.

Scan my dependencies How O3 SCA works

CVSS Score

6.1/10CVSS v3 base

Vector breakdown

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Raw vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CWE Classification

CWE-601Open Redirect

Weaponization

No Nuclei template, Metasploit module or public proof-of-concept found.

Timeline

Disclosed

Jun 2, 2022

Last updated

Oct 28, 2026

Identifiers

CVE-2022-29718

GHSA-2927-hv3p-f3vp

References

Advisorygithub.com · CVE 2022 29718.json Advisorylists.fedoraproject.org · CP2VIUT5IKA3OKM6YWA5LTLJ2GTEIH7C Advisorynvd.nist.gov · CVE 2022 29718 Fixgithub.com Webgithub.com · b23bdcf99cfbd09d50555a999a16468404789230 Webgithub.com · v2.5.0 Weblists.fedoraproject.org · CP2VIUT5IKA3OKM6YWA5LTLJ2GTEIH7C Packagegithub.com · caddy

Related vulnerabilities

Also affects caddy

This CVE is medium severity; 4 of 5 other CVEs affecting caddy are rated as high or higher (top: critical).

CVE-2026-52845CVE-2026-52844CVE-2026-52846CVE-2018-21246CVE-2018-19148

Also affects v2

This CVE is medium severity; 2 of 3 other CVEs affecting v2 are rated as high or higher (top: moderate).

CVE-2026-55458CVE-2026-77281GHSA-gx7w-56w6-g48x

Provenance

Sources

OSV.devNVDFIRST.org (EPSS)

Last verifiedOct 28, 2026