CVE-2023-26263: All versions of Talend Data Catalog before 8.0-20230110 are potentially vulnerable to XML External Entity (XXE

Q: How do I fix CVE-2023-26263?

data catalog: upgrade to 8.0-20230110. Exact commands for each OS are on this page.

Q: Is CVE-2023-26263 being exploited?

CVE-2023-26263 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2023-26263 affect?

CVE-2023-26263 affects data catalog. Severity is medium (CVSS 5.5). All versions of Talend Data Catalog before 8.0-20230110 are potentially vulnerable to XML External Entity (XXE) attacks in the /MIMBWebServices/license endpoint of the remote harvesting server.

Q: How urgent is CVE-2023-26263?

Priority 22/100. No elevated risk signals yet.

Routine

MEDIUM 5.5UPGRADE

CVE-2023-26263 is a medium-severity flaw (CVSS 5.5) affecting data catalog. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

All versions of Talend Data Catalog before 8.0-20230110 are potentially vulnerable to XML External Entity (XXE) attacks in the /MIMBWebServices/license endpoint of the remote harvesting server.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	5.5 (Medium)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.2% (top 88%)
CISA exploited list	No
Weakness	CWE-611
Published	2023-04-13
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: talend

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2023-04-13 19:15 UTCPublished CVE record published
2026-06-17 05:42 UTCUpdated Record last modified

talend data catalog UPGRADE

Affected: < 8.0-20230110

Fixed in: 8.0-20230110

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy data-catalog || rpm -q data-catalog || data-catalog --version

2. UPGRADE to 8.0-20230110 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade data-catalog

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade data-catalog

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2023-26263?

data catalog: upgrade to 8.0-20230110. Exact commands for each OS are on this page.

Is CVE-2023-26263 being exploited?

CVE-2023-26263 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2023-26263 affect?

CVE-2023-26263 affects data catalog. Severity is medium (CVSS 5.5). All versions of Talend Data Catalog before 8.0-20230110 are potentially vulnerable to XML External Entity (XXE) attacks in the /MIMBWebServices/license endpoint of the remote harvesting server.

How urgent is CVE-2023-26263?

Priority 22/100. No elevated risk signals yet.

Related CVEs

CVE-2023-36301 HIGH 7.5 UPGRADE Talend Data Catalog before 8.0-20230221 contain a directory traversal vulnerability in HeaderImageServlet.
CVE-2023-33247 HIGH 7.5 UPGRADE Talend Data Catalog remote harvesting server before 8.0-20230413 contains a /upgrade endpoint that allows an u
CVE-2023-26264 MEDIUM 5.5 UPGRADE All versions of Talend Data Catalog before 8.0-20220907 are potentially vulnerable to XML External Entity (XXE

References

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