CVE-2026-58189 Apache Traffic Server: Plugins resetting the redirect counter enable SSRF amplification

Apache Traffic Server allows redirect-limit bypass when plugins reset the retry counter, enabling SSRF amplification. 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...

CVE-2026-58189

Apache Traffic Server allows redirect-limit bypass when plugins reset the retry counter, enabling SSRF amplification. 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...

CVE-2026-58189

CVE-2026-58189 affects Apache Traffic Server 8.0.0–8.1.9, 9.0.0–9.2.14, and 10.0.0–10.1.3. The flaw arises when plugins reset the redirect retry counter, bypassing redirect limits and enabling SSRF amplification. Upgrade to 9.2.15 or 10.1.4 to fix the issue.

CVE-2026-58188 Apache Traffic Server: Memory-safety and limit-bypass errors across experimental plugins

Several Apache Traffic Server experimental plugins have memory-safety and limit-bypass errors. 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 iss...

CVE-2026-58188

CVE-2026-58188 affects Apache Traffic Server due to memory-safety and limit-bypass errors in experimental plugins. Affected products span 8.0.0–8.1.9, 9.0.0–9.2.14, and 10.0.0–10.1.3. The issue can impact runtime stability and resource limits through vulnerable plugin code paths, with high-severi...

EUVD-2026-50233

Several Apache Traffic Server experimental plugins have memory-safety and limit-bypass errors. 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 iss...

CVE-2026-58188

Several Apache Traffic Server experimental plugins have memory-safety and limit-bypass errors. 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 iss...

CVE-2026-58188 Apache Traffic Server: Memory-safety and limit-bypass errors across experimental plugins

Several Apache Traffic Server experimental plugins have memory-safety and limit-bypass errors. 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 iss...

CVE-2026-58188

Several Apache Traffic Server experimental plugins have memory-safety and limit-bypass errors. 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 iss...

CVE-2026-58187

The Apache Traffic Server multiplexer plugin overruns its chunk-decode buffer on upstream input, enabling denial of service. 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 9.2.1...

EUVD-2026-50232

The Apache Traffic Server multiplexer plugin overruns its chunk-decode buffer on upstream input, enabling denial of service. 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 9.2.1...

CVE-2026-58187 Apache Traffic Server: Multiplexer plugin chunk decoder enables a denial of service

The Apache Traffic Server multiplexer plugin overruns its chunk-decode buffer on upstream input, enabling denial of service. 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 9.2.1...

CVE-2026-58187

CVE-2026-58187 affects the Apache Traffic Server multiplexer plugin. The issue overruns the plugin’s chunk-decode buffer using upstream input, enabling a denial of service. Affected versions are 8.0.0–8.1.9, 9.0.0–9.2.14, and 10.0.0–10.1.3. Apache recommends upgrading to 9.2.15 or 10.1.4, which c...

CVE-2026-58187

The Apache Traffic Server multiplexer plugin overruns its chunk-decode buffer on upstream input, enabling denial of service. 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 9.2.1...

CVE-2026-58186

The Apache Traffic Server webptransform plugin can decode unsafely and serve mislabeled, cacheable responses. 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,...

CVE-2026-58186

The Apache Traffic Server webptransform plugin can decode unsafely and serve mislabeled, cacheable responses. 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,...

CVE-2026-58186

CVE-2026-58186 affects Apache Traffic Server: the webp_transform plugin can decode unsafely and serve mislabeled, cacheable responses. Impacted versions: 8.0.0–8.1.9, 9.0.0–9.2.14, and 10.0.0–10.1.3. Upgrading to 8.2.x/9.2.15 or 10.1.4+ fixes the issue (per the advisory). The CVSS metrics indicat...

CVE-2026-58186 Apache Traffic Server: webp_transform plugin decodes unsafely and mislabels degraded responses

The Apache Traffic Server webptransform plugin can decode unsafely and serve mislabeled, cacheable responses. 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,...

CVE-2026-58186 Apache Traffic Server: webp_transform plugin decodes unsafely and mislabels degraded responses

The Apache Traffic Server webptransform plugin can decode unsafely and serve mislabeled, cacheable responses. 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,...

EUVD-2026-50231

The Apache Traffic Server webptransform plugin can decode unsafely and serve mislabeled, cacheable responses. 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,...