Advisoriesby IbisApache Software FoundationCVE-2026-73636
Apache HTTP Server: authentication bypass
High8.1CVE-2026-73636 · Published Oct 1, 2026 · updated Oct 5, 2026
Authentication bypass by capture-replay in mod_auth_digest in Apache Software Foundation Apache HTTP Server 2.4.x on all platforms allows a man-in-the-middle (MITM) attacker to replay captured digest authentication credentials via crafted requests that trigger garbage collection of the client's shared memory entry when AuthDigestNonceLifetime is set to 0. Users are recommended to upgrade to version 2.4.69, which fixes this issue.
Affected versions
| Package | Affected | Fixed in |
|---|---|---|
| Apache HTTP Server Product | >= 2.4.0, <= 2.4.68 | No fix yet |
Details and references
- CVSS 3.1
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- Severity from
- CISA (its enrichment of the CVE record)
- Weakness
- CWE-294
More Apache Software Foundation advisories
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|---|---|---|---|
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