CVE-2026-82556

Forgejo Repository Migration is_migrate_allowed.go net.LookupIP server-side request forgery

MEDIUM
6.3
CVSS Score
Published: August 30, 2026 at 05:45 PM UTC
Updated: August 31, 2026 at 09:06 PM UTC
1 product affected across 1 vendorForgejo

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Severity
MEDIUM6.3
Exploit prediction
EPSS 0.4%
SSVC
PoC

Description

A vulnerability was found in Forgejo up to 15.0.4. This issue affects the function net.LookupIP of the file services/migrations/allowlist/is_migrate_allowed.go of the component Repository Migration Handler. Performing a manipulation results in server-side request forgery. The attack can be initiated remotely. The exploit has been made public and could be used. The patch is named b313bb83f5ff22bcc0378e0e0ca7bbd58303f168. It is recommended to apply a patch to fix this issue. The project maintainer explains: "I don't intend to backport this to v15 or v16 as it is a breaking change."

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (7)

VDB EntryTechnical Description
Source: cverecord
https://vuldb.com/vuln/397072
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/397072/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/cve/CVE-2026-82556
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/891889
Broken LinkExploitIssue Tracking
Source: cverecord
https://codeberg.org/forgejo/forgejo/issues/13433

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.3MEDIUMVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-918

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