CVE-2026-49852
HighAdvisory
Published 2 Jul 2026In the index since 6 Sept 2026
- Severity
- High
- worst across findings
- CVSS
- 8.7
- base score, highest
- EPSS
- 0.002
- 9th percentile
- CISA KEV
- Not listed
- no confirmed exploitation
- Charts affected
- 6
- of 17,781 indexed, latest versions
- Container images
- 6
- deployed by those charts
- Fix available
- 1 of 1
- affected package
joserfc: HS256/HS384/HS512 verify accepts empty/nil HMAC key (cross-language sibling of CVE-2026-45363)
Carried by container images the latest versions of 6 of 17,781 indexed charts deploy, on 6 images.
| Affected package | Affected versions | Fixed in | Images |
|---|---|---|---|
| joserfcpypi | 0.11.1, 1.3.4, 1.6.4, 1.6.5 | 1.6.8 | 6 |
- OSV records
- GHSA-gg9x-qcx2-xmrh
- Also known as
- PYSEC-2026-2528
Charts affected
6 by stars
| Chart | Latest | Affected images | Radar Score |
|---|---|---|---|
| frigateblakeblackshear | 7.8.0 | 1 of 1See more | 3,004 |
| galaxycloudve | 6.8.6 | 1 of 3See more | 4,601 |
| rommernail-romm | 1.0.1 | 1 of 1See more | 2,896 |
| fastmcp-serverhelmforgeVerified publisher | 1.7.4 | 1 of 1See more | 3,281 |
| mindsdbkronkltdVerified publisher | 0.1.0 | 1 of 1See more | 9,620 |
| memgraph-mcpmemgraphVerified publisher | 1.0.0 | 1 of 1See more | 1,672 |
Container images carrying it
6 by charts deploying them
A fixed version is listed for 1 of the 1 affected package.
| Container image | Digest | Package | Fixed in | Used by |
|---|---|---|---|---|
| helmforge/ | fcb7017327d6 | joserfc | 1.6.8 | 1 |
| memgraph/ | ecdf7faea3f7 | joserfc | 1.6.8 | 1 |
| mindsdb/ | 163011c09299 | joserfc | 1.6.8 | 1 |
| rommapp/ | b909e95d1aab | joserfc | 1.6.8 | 1 |
| ghcr.io/ | 22e3d0b486df | joserfc | 1.6.8 | 1 |
| quay.io/ | 2c324c9789f5 | joserfc | 1.6.8 | 1 |