CVE-2026-40490
unknown
CVSS v3
—
CVSS v4 NEW
—
VIR risk
—
Description
AsyncHttpClient leaks authorization credentials to untrusted domains on cross-origin redirects
Predictions
Exploit likelihood
30%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| debian | bookworm | affected | |
| debian | bullseye | affected | |
| debian | sid | affected | |
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| Maven | org.asynchttpclient:async-http-client | >=3.0.0.Beta1,<3.0.9 | 3.0.9 |
| Maven | org.asynchttpclient:async-http-client | >=2.0.0,<2.14.5 | 2.14.5 |
References
- https://security-tracker.debian.org/tracker/CVE-2026-40490
- https://github.com/AsyncHttpClient/async-http-client/security/advisories/GHSA-cmxv-58fp-fm3g
- https://nvd.nist.gov/vuln/detail/CVE-2026-40490
- https://github.com/AsyncHttpClient/async-http-client/commit/6b2fbb7f8
- https://github.com/AsyncHttpClient/async-http-client/commit/ae557ad35246721c09dafb2976609cd0004e78ae
- https://github.com/AsyncHttpClient/async-http-client
- https://github.com/AsyncHttpClient/async-http-client/releases/tag/async-http-client-project-2.14.5
- https://github.com/AsyncHttpClient/async-http-client/releases/tag/async-http-client-project-3.0.9
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.