CVE-2022-4886: kubernetes ingress-nginx Improper Input Validation
CVSS: 8.8v3.1HighModified
AliasesGHSA-gvrm-w2f9-f77q
Published 25-10-2023Last modified 13-02-2025
Vulnerability summary
CVE-2022-4886 is a high (CVSS 8.8) Improper Input Validation vulnerability in kubernetes ingress-nginx. EPSS estimates a 1.55% chance of exploitation in the next 30 days, higher than 74.7% of scored vulnerabilities.
CVSS score
8.8/10
010
High · v3.1 (CVE.org)EPSS score
1.55%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 0 · Related 5Timeline
- 25-10-2023PublishedVulnerability first disclosed.
- 13-02-2025Last modifiedVulnerability information updated.
Description
Ingress-nginx `path` sanitization can be bypassed with `log_format` directive.
CVSS metrics
3 scores · 3 sources · 1 versionHigh 8.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HSources3 sources · 6.5–8.8
- OSV · GoEcosystem advisory · calculated8.8HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- NVDNIST6.5MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:NDiffers
EPSS trend
Probability
1.55%
Chance of exploitation in the next 30 days
Percentile
75%
Versus all other CVEs
30-day change
0.00 pp
From 1.55% on 19-09-2026
19-09-202619-10-2026
EPSS score1.55%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
K8s.io1 product
- ingress-nginx< 1.8.0
Kubernetes1 product
- ingress-nginx< 1.8.0
2 vendors · 2 products
