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CVE-2026-22068: CWE-777 Regular Expression without Anchors in Apache Software Foundation Apache Traffic Server

0
High
Published: 07/29/2026 (07/29/2026, 08:16:00 UTC)
Source: CVE Database V5
Vendor/Project: Apache Software Foundation
Product: Apache Traffic Server

Description

CVE-2026-22068 is a high-severity vulnerability in Apache Traffic Server involving a regular expression without anchors. This flaw affects versions from 9.0.x through 9.2.14 and 10.0.x through 10.1.3. The issue is resolved in versions 9.2.15 and 10.1.4. The vulnerability has a CVSS score of 8.2, indicating a network exploitable flaw with high confidentiality impact but low integrity and no availability impact.

CVSS v3.1

Score 8.2high

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
Low
Availability
None
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N

Affected software

Apache Software Foundation

Apache Traffic Server

Affected versions
>=10.0.x <=10.1.3>=9.0.x <=9.2.14

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 08/05/2026, 15:08:53 UTC

Technical Analysis

This vulnerability (CVE-2026-22068) in Apache Traffic Server arises from the use of regular expressions without anchors, classified under CWE-777. Affected versions include 9.0.x through 9.2.14 and 10.0.x through 10.1.3. The lack of anchoring in regular expressions can lead to unintended matches, potentially allowing attackers to bypass intended input validation or filtering mechanisms. The CVSS 3.1 score is 8.2, reflecting a network attack vector with low attack complexity, no privileges required, no user interaction, and a high impact on confidentiality but limited impact on integrity and no impact on availability. Users are advised to upgrade to versions 9.2.15 or 10.1.4 where the issue is fixed.

Potential Impact

The vulnerability allows remote attackers to exploit improperly anchored regular expressions, potentially leading to unauthorized information disclosure (high confidentiality impact). The integrity impact is low, and there is no impact on availability. The flaw can be exploited over the network without authentication or user interaction.

Mitigation Recommendations

Users should upgrade Apache Traffic Server to version 9.2.15 or 10.1.4 to remediate this vulnerability. No other official remediation or temporary fixes are indicated. Patch status is confirmed by the vendor's version recommendations.

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Technical Details

Data Version
5.2
Assigner Short Name
apache
Date Reserved
2026-01-06T00:14:54.783Z
Cvss Version
3.1
State
PUBLISHED

Threat ID: 6a69adc79c2644c7f825aa76

Added to database: 07/29/2026, 07:37:43 UTC

Last enriched: 08/05/2026, 15:08:53 UTC

Last updated: 09/10/2026, 20:00:31 UTC

Views: 93

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