- Latest release
- 0.43.1 (Nov 5, 2026): no advisory affects it
- Newest unaffected release
- 0.43.1 (Nov 5, 2026), the latest release
- Advisories
- 3 · 1 critical, 2 high
- Weekly downloads
- 125.8K
- Dependents
- 13
- Releases
- 206 since 0.2.0 (Jan 10, 2026)
- Registry
- PyPI
- Releases read
- Nov 8, 2026
Version timeline
- CVE-2026-71416Affects 0.2.0 to 0.34.0 (0.35.0 is outside it)
- CVE-2026-77776Affects 0.2.0 to 0.36.0 (0.36.1 is outside it)
- CVE-2026-77775Affects 0.2.0 to 0.36.0 (0.36.1 is outside it)
Advisories 3
- CVE-2026-71416High 8.8
Headroom vulnerable to Cross-Site WebSocket Hijacking (CSWSH)
Affected: fixed in 0.35.0.
Fixed in 0.35.0 (released Aug 13, 2026, 29 days before disclosure).
The latest release, 0.43.1, is not affected.
- CVE-2026-77776Critical 9.1
Headroom Proxy Treats the Client-Supplied x-headroom-user-id Header as an Authenticated Identity
Affected: fixed in 0.36.1.
Fixed in 0.36.1 (released Aug 21, 2026, the day of disclosure).
The latest release, 0.43.1, is not affected.
- CVE-2026-77775High 8.6
Headroom Proxy Sends Upstream Requests to a Client-Supplied Base URL Without Address Validation
Affected: fixed in 0.36.1.
Fixed in 0.36.1 (released Aug 21, 2026, the day of disclosure).
The latest release, 0.43.1, is not affected.