CVE-2026-26309
MediumAdvisory
Published 10 Mar 2026In the index since 6 Sept 2026
- Severity
- Medium
- worst across findings
- CVSS
- 5.3
- base score, highest
- EPSS
- 0.004
- 30th percentile
- CISA KEV
- Not listed
- no confirmed exploitation
- Charts affected
- 2
- of 17,781 indexed, latest versions
- Container images
- 2
- deployed by those charts
- Fix available
- None
- affected package
Envoy affected by off-by-one write in JsonEscaper::escapeString()
Carried by container images the latest versions of 2 of 17,781 indexed charts deploy, on 2 images.
| Affected package | Affected versions | Fixed in | Images |
|---|---|---|---|
| github.com/ | v1.29.4, v1.30.2 | no fix listed | 2 |
- OSV records
- GHSA-56cj-wgg3-x943
- Also known as
- BIT-envoy-2026-26309
Charts affected
2 by stars
| Chart | Latest | Affected images | Radar Score |
|---|---|---|---|
| htnn-controllerhtnnVerified publisher | 0.5.0 | 1 of 1See more | 4,300 |
| ambassador-manifestssqream-chartsVerified publisher | 0.6.3 | 1 of 1See more | 2,416 |
Container images carrying it
2 by charts deploying them
A fixed version is listed for 0 of the 1 affected package.
| Container image | Digest | Package | Fixed in | Used by |
|---|---|---|---|---|
| datawire/ | 95ec30b3c732 | github.com/ | no fix listed | 1 |
| ghcr.io/ | c379e66246be | github.com/ | no fix listed | 1 |