IBM® Db2® is vulnerable to a denial of service when executing a specially crafted query with a Materialized Query Table
- Exploited
- No known exploitation
- Fix
- Fix or patch referenced
- Who is exposed
- Not reported
Do first: Apply the patch listed under Evidence.
- Last modified
- 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? →
- 24/100 · 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
IBM Db2 is affected by a bug that lets an attacker who can reach the database over the network and has a low-privilege account crash it by running a specially crafted query against a Materialized Query Table, causing a denial of service. No user action is needed for the attack to work.
Written by anthropic/claude-haiku-5.5 from the sources below. Verify against them.
Read the original description
IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.5 is vulnerable to a denial of service when executing a specially crafted query with a Materialized Query Table.
cve.now Index
- Exploitation?/40Unknown. No CISA SSVC exploitation rating yet
- Exposure3/25Reachable over the network · Unknown: No advisory context yet
- Reach14/20Affects IBM Db2 (an enterprise product or network appliance)
- Severity6.5/10CVSS 6.5
- No patch0/5No signal
What would change the score
- Would score about 79 if added to CISA KEV
- Would score about 74 if CISA's SSVC rates exploitation active
- Would score about 43 if advisories confirm default setups are exposed
What to do
Apply the patch listed under Evidence.
Timeline
- CVE published
- First seen by cve.now
Affected versions
- IBM Db2
From 11.5.0 · through 11.5.9; From 12.1.0 · through 12.1.5
Evidence 1
- Patch
Corrections
None so far.
Something wrong on this page? Report an error. Every fix is listed here.
Questions about CVE-2026-113698
Is CVE-2026-113698 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-2026-113698?
Db2: from 11.5.0 through 11.5.9; from 12.1.0 through 12.1.5.Source: cve.now feed data