CVE-2025-12531: IBM InfoSphere Information Server · XML External Entity (XXE)
Affects IBM InfoSphere Information ServerSource CVE Database V5
Not known to be exploited · CVSS 7.1 High.
Data as of 26 Oct 2026, 15:59 UTC
- EPSS
- 0.7% chance of exploitation in 30 days – higher than 54% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:HExploitation evidence
Disclosed: evidence found.
CVE published 3 Nov 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| IBM InfoSphere Information Server | Affected
| Fixed in– |
AI-suggested
- Apply patches or updates from IBM as soon as they become available to address CVE-2025-12531.
- Until patches are released, disable or restrict XML external entity processing in IBM InfoSphere configurations if feasible, by configuring XML parsers to disallow external entity resolution.
- Implement network segmentation and firewall rules to limit access to InfoSphere servers only to trusted internal networks and authorized users.
- Enforce strict access controls and monitor logs for unusual XML processing activity or memory usage spikes indicative of exploitation attempts.
- Employ Web Application Firewalls (WAFs) or XML-aware security gateways that can detect and block malicious XML payloads containing external entity references.
- Conduct regular security assessments and penetration testing focusing on XML processing components.
- Educate system administrators and security teams about XXE risks and detection techniques.
- Review and harden all XML input validation routines in custom integrations with InfoSphere to prevent injection of malicious entities.
Description
IBM InfoSphere Information Server 11.7.0.0 through 11.7.1.6 is vulnerable to an XML external entity injection (XXE) attack when processing XML data. A remote attacker could exploit this vulnerability to expose sensitive information or consume memory resources.