Low severity3.5NVD Advisory· Published Nov 21, 2023· Updated Jun 17, 2026

CVE-2023-48307

Description

Nextcloud Mail is the mail app for Nextcloud, a self-hosted productivity platform. Starting in version 1.13.0 and prior to version 2.2.8 and 3.3.0, an attacker can use an unprotected endpoint in the Mail app to perform a SSRF attack. Nextcloud Mail app versions 2.2.8 and 3.3.0 contain a patch for this issue. As a workaround, disable the mail app.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Nextcloud/security-advisoriescpe-rescue
Range: >= 1.13.0, < 2.2.8
Nextcloud/Nextcloudllm-fuzzy
Range: >=1.13.0, <2.2.8, <3.3.0
Nextcloud/Mailllm-fuzzy2 versions
>=1.13.0, <2.2.8, <3.3.0+ 1 more
- (no CPE)range: >=1.13.0, <2.2.8, <3.3.0
- cpe:2.3:a:nextcloud:mail:*:*:*:*:*:*:*:*range: >=1.13.0,<2.2.8

Patches

Vulnerability mechanics

References

github.com/nextcloud/mail/pull/8709nvdIssue TrackingPatch
github.com/nextcloud/security-advisories/security/advisories/GHSA-4pp4-m8ph-2999nvdVendor Advisory
hackerone.com/reports/1869714nvdPermissions Required

News mentions

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cvss	0.227
epss	0.001
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000