CVE-2026-49853
HighAdvisory
Published 15 Jun 2026In the index since 5 Sept 2026
- Severity
- High
- worst across findings
- CVSS
- 7.7
- base score, highest
- EPSS
- 0.004
- 30th percentile
- CISA KEV
- Not listed
- no confirmed exploitation
- Charts affected
- 103
- of 17,781 indexed, latest versions
- Container images
- 108
- deployed by those charts
- Fix available
- 1 of 2
- affected packages
Tornado: Authorization header forwarded across cross-origin redirects in SimpleAsyncHTTPClient
Carried by container images the latest versions of 103 of 17,781 indexed charts deploy, on 108 images.
| Affected package | Affected versions | Fixed in | Images |
|---|---|---|---|
| tornadopypi | 2.4.1, 4.5.3, 5.1.1, 6.0.2+12 more | 6.5.6 | 108 |
| python-tornadodeb | 6.2.0-3+deb12u1 | no fix listed | 1 |
- OSV records
- DEBIAN-CVE-2026-49853GHSA-3x9g-8vmp-wqvf
- Also known as
- PYSEC-2026-3387
Charts affected
103 by stars
Container images carrying it
108 by charts deploying them
A fixed version is listed for 1 of the 2 affected packages.
| Container image | Digest | Package | Fixed in | Used by |
|---|---|---|---|---|
| ghcr.io/ | 9b4415e937b2 | tornado | 6.5.6 | 1 |
| quay.io/ | 2c324c9789f5 | tornado | 6.5.6 | 1 |
| quay.io/ | 113e372cf71b | tornado | 6.5.6 | 1 |
| quay.io/ | 2528c6e57587 | tornado | 6.5.6 | 1 |
| quay.io/ | 92f883d09270 | tornado | 6.5.6 | 1 |
| quay.io/ | cae8c0622533 | tornado | 6.5.6 | 1 |
| quay.io/ | 59fe607dfdf2 | tornado | 6.5.6 | 1 |
| registry.gitlab.com/ | 166a06f73d8c | tornado | 6.5.6 | 1 |