CVE-2026-103048 json
Open Redirect in Special:Book
published last mo. modified last mo. also EUVD-2026-89487
- cvss
- 6.1
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.1%
- EPSS 0.1% chance of exploitation in 30 days, percentile 3%
- public exploits
- 0
- none known
Summary
URL redirection to untrusted site ('open redirect') vulnerability in The Wikimedia Foundation Mediawiki - Collection extension allows Fake the Source of Data.
This issue affects Mediawiki - Collection extension: before 1.46.1, 1.45.5, 1.43.10.
Patch / fix
- The Wikimedia Foundation Mediawiki - Collection extension 1.46.1, 1.45.5, 1.43.10
Is CVE-2026-103048 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerCISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- last mo.
Exploit prediction
0.15% chance of exploitation in the next 30 days, higher than 3% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| CNA | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
Affected products
- The Wikimedia Foundation Mediawiki - Collection extension
Classification
- Weakness
-
- CWE-601 URL Redirection to Untrusted Site
References
-
phabricator.wikimedia.org
/T321092
issue-tracking
-
gerrit.wikimedia.org
/r/c/1346083
mitigation
Sources
- CVE List CVE-2026-103048
- NVD CVE-2026-103048
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