Uncontrolled resource consumption vulnerability in HTTP response handling of Qt Network impacts Qt Framework
- Exploited
- No known exploitation
- Fix
- Fixed in 6.8.10, 6.12.1
- Who is exposed
- Not reported
Do first: Upgrade to a fixed version: 6.8.10, 6.12.1.
- Last modified
- FIRST's estimate of the chance attackers exploit it in the next 30 days, updated daily.What do these mean? →
- 0.29% · 22nd percentile
- A 0-100 score for how much a CVE matters across the industry: exploitation, exposure, how widely the software is used, severity and whether a fix exists.What do these mean? →
- 8/100 · provisional
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
Summary
The Qt Network module of the Qt Framework contains a flaw in how it handles HTTP responses that lets an attacker cause uncontrolled resource consumption. An attacker can reach it remotely without logging in, but a user must take some action for the attack to work.
Written by anthropic/claude-haiku-5.5 from the sources below. Verify against them.
Read the original description
Uncontrolled resource consumption vulnerability in the Qt Framework HTTP response handling functionality of the Qt Network module.
cve.now Index
- Exploitation?/40Unknown. No CISA SSVC exploitation rating yet
- Exposure7/25Reachable over the network without a login · Unknown: No advisory context yet
- Reach?/20Unknown. No tracked technology or package matched
- Severity0.6/10CVSS 0.6
- No patch0/5No signal
What would change the score
- Would score about 63 if added to CISA KEV
- Would score about 58 if CISA's SSVC rates exploitation active
- Would score about 23 if advisories confirm default setups are exposed
What to do
Upgrade to a fixed version: 6.8.10, 6.12.1.
Timeline
- CVE published
- First seen by cve.now
Affected versions
- qt Qt Framework
From 4.5.0 · fixed in 6.8.10; From 6.9.0 · fixed in 6.12.1
Evidence 3
- Advisory
- Patch
- Patch
Corrections
None so far.
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Questions about CVE-2026-116337
Is CVE-2026-116337 being exploited?
It is not in CISA's Known Exploited Vulnerabilities catalog, and CISA's SSVC assessment does not mark exploitation as active. That does not mean it has not been attacked: vendors and researchers can report attacks before CISA lists them. No public exploit code is tracked.Source: cve.now feed data
Which versions are affected by CVE-2026-116337?
Qt Framework: from 4.5.0 before 6.8.10; from 6.9.0 before 6.12.1.Source: cve.now feed data
How do I fix CVE-2026-116337?
Upgrade to a fixed version: 6.8.10, 6.12.1.Source: cve.now feed data