Critical severity · published Jul 29, 2026
CVE-2026-58177
Apache Traffic Server: Memory-safety and path-traversal errors in the Cripts framework
9.8
CVSS
0.6%
EPSS
No
On KEV
Description
The Apache Traffic Server Cripts framework has out-of-bounds writes, path traversal, and use-after-free errors.
This issue affects Apache Traffic Server: from 10.0.0 through 10.1.3.
Users are recommended to upgrade to version 10.1.4, which fix the issue.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 48% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AT
Apache Traffic Server · Apache Software Foundation
10.0.0 through 10.1.3 · source: vendor
TS
Traffic Server · Apache
10.0.0 before 10.1.4 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-58177
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-58177
Mailing List
https://lists.apache.org/thread/5prl9glcm9g2swnq9hqxvnokylm1gr6d
More from Apache Traffic Server
10.0
CVE-2026-111812
Apache Traffic Server: origin_server_auth signs client-controlled AWS headers under the proxy's IAM credentials
10.0
CVE-2026-111815
Apache Traffic Server: TLS session ticket resumption bypasses per-SNI verify_client STRICT enforcement
10.0
CVE-2026-111814
Apache Traffic Server: Default server_session_sharing.match omits MASK_CERT, allowing pooled mTLS identity confusion at the origin
10.0
CVE-2026-111813
Apache Traffic Server: magick plugin passes client query strings unfiltered to ImageMagick convert in the default configuration
10.0
CVE-2026-58162
Apache Traffic Server: Certifier plugin trusts client SNI when generating certificates