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CVE-2026-114460medium5.3

Mod_qos: query truncation during json body merging permits security-rule bypass

Impact

Mod_qos versions 11.74, 11.76, and 11.79 have a flaw that allows an unauthenticated remote attacker to bypass security rules by submitting a crafted request. The vulnerability is due to an off-by-one pointer calculation error when merging request body parameters with an existing URL query. This error truncates the query string during security evaluation.

Summarized by @cf/meta/llama-3.3-70b-instruct-fp8-fast. Verify details against the original sources.

Affected packages

This source has no supported package-version data for matching. You can read the advisory here, but this record alone cannot power a dependency check.

Affected products

Vendor version evidence. Product records are separate from automatic dependency matching.

pbuchbinder · fedora

mod_qos

3 ranges
fedora version evidence

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affected

11.74

custom versions

11.76

custom versions

11.79

custom versions

unaffected

unknown

Other versions: unknown

Original source description

A flaw was found in mod_qos. An off-by-one pointer calculation error occurs when merging request body parameters with an existing URL query, which truncates the query string during security evaluation while leaving the actual request unchanged. An unauthenticated remote attacker could exploit this vulnerability by submitting a crafted request that conceals prohibited values from inspection, resulting in a bypass of configured security rules.

Inside the record

Evidence available

Package identity · not supplied
Version evidence
Remediation guidance · not supplied
Weakness classification
Additional publishers

Describes the evidence in this view, not whether the product is safe.

Original records

CVE-2026-114460

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cve.new JSON →

Underlying weaknesses

The source’s classification of what caused the vulnerability.

CWE-193 ↗

Off-by-one Error

fedora

Related →
Contributing organizations · 2
fedora

Assigning organization

2026-10-22
CISA-ADP

Additional data publisher

2026-10-30

What changed

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References

2 sources
access.redhat.com/security/cve/CVE-2026-114460
vdb-entryfedora
bugzilla.redhat.com/show_bug.cgi
issue-trackingfedora