Medium severity · published Aug 30, 2026
CVE-2026-82556
Forgejo Repository Migration is_migrate_allowed.go net.LookupIP server-side request forgery
6.3
CVSS
0.4%
EPSS
No
On KEV
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."
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 30% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FO
Forgejo · Forgejo
15.0.0; 15.0.1; 15.0.2; 15.0.3; 15.0.4 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-82556
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-82556
codeberg.org
https://codeberg.org/forgejo/forgejo/commit/b313bb83f5ff22bcc0378e0e0ca7bbd58303f168
codeberg.org
https://codeberg.org/forgejo/forgejo/issues/13433
codeberg.org
https://codeberg.org/forgejo/forgejo/pulls/13490
vuldb.com
https://vuldb.com/cve/CVE-2026-82556
vuldb.com
https://vuldb.com/submit/891889
vuldb.com
https://vuldb.com/vuln/397072
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