CVE-2026-111814
Apache Traffic Server's default outbound session-sharing policy can reuse a pooled TLS session…
- Risk score
- 68/100
- CVSS
- 10.0 v3.1
- Exploit chance (30 days)
- 0.2%
- Published
- 21 Oct 2026
Open in the live forecast Today's forecast
What to know
- What it is
- Apache Traffic Server's default outbound session-sharing policy can reuse a pooled TLS session, allowing an attacker to use a client certificate for a different transaction. This could lead to a high impact, including confidentiality and integrity breaches.
- Affected
- {'products': ['Apache Traffic Server'], 'packages': [], 'versions': ['9.0.0 through 9.2.15', '10.0.0 through 10.1.4', '10.2.0']}
- Fix
- Upgrade to version 9.2.16, 10.1.5, or 10.2.1
- Exploitation
- No known exploitation
Why it is Amber
- CVSS 10.0 critical
- Remotely exploitable without logging in
References
Original description
Apache Traffic Server's default outbound session-sharing policy can reuse a pooled TLS session authenticated with one client certificate for a transaction configured to present a different one. This issue affects Apache Traffic Server: from 9.0.0 through 9.2.15, from 10.0.0 through 10.1.4, 10.2.0. Users are recommended to upgrade to version 9.2.16, 10.1.5, or 10.2.1, which fix the issue.
Last activity 21 Oct 2026. Patch Forecast updates every hour.