CVE-2026-58162
published 2026-07-29CVE-2026-58162: The Apache Traffic Server certifier plugin generates certificates based on attacker-controlled client SNI. This issue affects Apache Traffic Server: from 8.0.0…
PriorityP265critical10CVSS 3.1
AVNACLPRNUINSCCLIHAH
EPSS
0.36%
26.6th percentile
The Apache Traffic Server certifier plugin generates certificates based on attacker-controlled client SNI.
This issue affects Apache Traffic Server: from 8.0.0 through 8.1.9, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3.
Users are recommended to upgrade to version 9.2.15 or 10.1.4, which fix the issue.
Affected
6 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| apache | traffic_server | >= 10.0.0 < 10.1.4 | 10.1.4 |
| apache | traffic_server | 8.0.0 – 8.1.9 | — |
| apache | traffic_server | >= 9.0.0 < 9.2.15 | 9.2.15 |
| apache_software_foundation | apache_traffic_server | 10.0.0 – 10.1.3 | — |
| apache_software_foundation | apache_traffic_server | 8.0.0 – 8.1.9 | — |
| apache_software_foundation | apache_traffic_server | 9.0.0 – 9.2.14 | — |
CVSS provenance
nvdv3.110.0CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:H
nvdv4.08.4HIGHCVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Stop checking back — get the weekly exploitation signal.
Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2026-58162 trafficserver: certifier plugin trusts client SNI when generating certificates [epel-all]
bugzilla·2026-07-29·CVSS 10.0
CVE-2026-58162 [CRITICAL] CVE-2026-58162 trafficserver: certifier plugin trusts client SNI when generating certificates [epel-all]
CVE-2026-58162 trafficserver: certifier plugin trusts client SNI when generating certificates [epel-all]
Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.
The Apache Traffic Server certifier plugin generates certificates based on attacker-controlled client SNI.
This issue affects Apache Traffic Server: from 8.0.0 through 8.1.9, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3.
Users are recommended to upgrade to version 9.2.15 or 10.1.4, which fix the issue.
Discussion:
FEDORA-EPEL-2026-943e511d48 (trafficserver-9.2.15-1.el9) has been submitted as an update to Fedora EPEL 9.
https://bodhi.fedoraproject.org/u
Bugzilla
CVE-2026-58162 Apache Traffic Server: certifier plugin trusts client SNI when generating certificates
bugzilla·2026-07-29·CVSS 10.0
CVE-2026-58162 [CRITICAL] CVE-2026-58162 Apache Traffic Server: certifier plugin trusts client SNI when generating certificates
CVE-2026-58162 Apache Traffic Server: certifier plugin trusts client SNI when generating certificates
The Apache Traffic Server certifier plugin generates certificates based on attacker-controlled client SNI.
This issue affects Apache Traffic Server: from 8.0.0 through 8.1.9, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3.
Users are recommended to upgrade to version 9.2.15 or 10.1.4, which fix the issue.
Bugzilla
CVE-2026-58162 trafficserver: certifier plugin trusts client SNI when generating certificates [fedora-all]
bugzilla·2026-07-29·CVSS 10.0
CVE-2026-58162 [CRITICAL] CVE-2026-58162 trafficserver: certifier plugin trusts client SNI when generating certificates [fedora-all]
CVE-2026-58162 trafficserver: certifier plugin trusts client SNI when generating certificates [fedora-all]
Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.
The Apache Traffic Server certifier plugin generates certificates based on attacker-controlled client SNI.
This issue affects Apache Traffic Server: from 8.0.0 through 8.1.9, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3.
Users are recommended to upgrade to version 9.2.15 or 10.1.4, which fix the issue.
Discussion:
FEDORA-2026-5bec7441bb (trafficserver-10.1.4-1.fc44) has been submitted as an update to Fedora 44.
https://bodhi.fedoraproject.org/updates
2026-07-29
Published