CVE-2026-34088Disclosure(mediawiki / mediawiki)

LOWCVSS 7.5 · HIGH

Signal is active with 3 mentions in latest observed window

Immediate actions

Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation MediaWiki. This issue affects MediaWiki: from * before 1.43.7, 1.44.4, 1.45.2.

mediawiki CVEs Back to dashboard

0.0/ 10 priority

Sources & remediation

Other references

https://phabricator.wikimedia.org/T410429

Weakness type (CWE)

CWE-200

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

mediawiki

Threat summary

3 mentions across 1 observed day

What's happening

Technical details provided in 2 signals
Disclosure: 3 classified signals
3 total mentions across 1 day

Affected systems

Vendors

mediawiki

Products

mediawiki

Deep dive

Activity timeline3 mentions / 1d

Signal classification1 categories

Disclosure

3100.0%

Referenced assets4 URLs

By indicator

Full discourse3 posts

Vulmon Vulnerability Feed@VulmonFeeds150d
Disclosure
CVE-2026-34088 Sensitive Information Exposure in Wikimedia Foundation MediaWiki ... https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-34088 Vulnerability Alert Subscriptions: https://alerts.vulmon.com/?utm_source=twitter&utm_medium=social&utm_campaign=2102281&utm_content=1
Post summary
The post announces a new sensitive-information-exposure vulnerability (CVE‑2026‑34088) in MediaWiki with no Proof of Concept, exploit, or patch details provided.
0000035
4.0K followersView on X
Infoflowcloud@infoflowcloud150d
Disclosure
🚨*CVE* CVE-2026-34088 Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation MediaWiki. This issue affects MediaWiki: from * before 1.43.7, 1.44.… https://www.cve.org/CVERecord?id=CVE-2026-34088 ----- Traducción: Exposición de info… http://infoflow.cloud`
Post summary
The text announces the existence of CVE-2026-34088, a vulnerability in MediaWiki that exposes sensitive information to unauthorized actors, and provides a link to the official CVE record.
0000030
77 followersView on X
CVE@CVEnew150d
Disclosure
CVE-2026-34088 Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation MediaWiki. This issue affects MediaWiki: from * before 1.43.7, 1.44.… https://www.cve.org/CVERecord?id=CVE-2026-34088
Post summary
The text announces CVE-2026-34088, detailing an exposure of sensitive information in MediaWiki versions prior to 1.43.7 and 1.44, but includes no PoC, exploit, or patch information.
00000117
57.5K followersView on X

CPE platform detail1 entries

Part:

Vendor:

Product:

Version:

Target SW:

Target HW:

1 of 1 entries

Part	Vendor	Product	Version	Target SW	Target HW
App	mediawiki	mediawiki	-	-	-

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