CVE-2026-42174Disclosure(getkirby / kirby)

LOWCVSS 4.3 · MEDIUM

Signal is active with 1 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

Kirby is an open-source content management system. Prior to versions 4.9.0 and 5.4.0, user avatar creation, replacement and deletion are not gated by user update permissions. This issue has been patched in versions 4.9.0 and 5.4.0.

getkirby CVEs Back to dashboard

0.0/ 10 priority

Sources & remediation

Patch / fix

https://github.com/getkirby/kirby/security/advisories/GHSA-39cp-6679-8xv2

Other references

Weakness type (CWE)

CWE-862

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

STABLE

Are you affected?

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

kirby

Threat summary

3 mentions across 2 observed days
Momentum state: stable

What's happening

Technical details provided in 2 signals
Disclosure: 3 classified signals
Peaked 1d ago at 2 mentions (2026-05-09); latest day: 1
3 total mentions across 2 days

Affected systems

Vendors

getkirby

Products

kirby

Deep dive

Activity timeline3 mentions / 2d

Signal classification1 categories

Disclosure

3100.0%

Referenced assets3 URLs

By indicator

Classification over time

Date	Total	Labels

2026-05-09	2	Disclosure2
2026-05-11	1	Disclosure1

Full discourse3 posts

CVEarity@CVEarity152d
Disclosure
⚡ New CVE Alert: CVE-2026-42174 📊 Severity: 5.3 🚨 Risk Level: Medium 🧩 Affects: Multiple / Unspecified Products Reference: https://nvd.nist.gov/vuln/detail/CVE-2026-42174 #CVE-2026-42174 #CVE #Medium #CyberSecurity #InfoSec https://t.co/7QPTugLeiT
Post summary
The tweet announces a new CVE, CVE-2026-42174, with basic severity information and a link to the NVD entry, but provides no further technical, exploitation, or mitigation details.
0000037
157 followersView on X
CVE@CVEnew153d
Disclosure
CVE-2026-42174 Kirby is an open-source content management system. Prior to versions 4.9.0 and 5.4.0, user avatar creation, replacement and deletion are not gated by user update perm… https://www.cve.org/CVERecord?id=CVE-2026-42174
Post summary
The post announces a new vulnerability in Kirby CMS, noting improper permission checks for avatar management, but it provides no additional details, PoCs, patches, or exploitation evidence.
0000062
57.5K followersView on X
Vulmon Vulnerability Feed@VulmonFeeds154d
Disclosure
CVE-2026-42174 User Avatar Manipulation Without Update Permissions in Kirby Before 4.9.0 and 5.4.0 https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-42174
Post summary
The entry announces CVE-2026-42174, revealing an avatar manipulation vulnerability in older Kirby versions, but provides no PoC, exploit, patch, or evidence of active use.
0000039
4.0K 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	getkirby	kirby	-	-	-

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