CVE-2026-111720
fish-island-backend through commit 7c61b78 SSRF via /api/web/parse
lhccong fish-island-backend
CVSS
6.9MediumExploitationPublic exploit codeCISA's assessment says proof of concept code is public, assessed 19 Oct 2026. Not in the KEV catalogCISA via CVE List
Exploit odds (EPSS)0.31%Chance of exploitation activity in the next 30 days, higher than 22% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
What fixes it
No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.
Description
fish-island-backend through commit 7c61b78 contains an unauthenticated server-side request forgery vulnerability that allows remote attackers to make the server fetch attacker-supplied URLs via the url parameter of GET /api/web/parse. Attackers can target internal hosts, loopback services or cloud metadata endpoints through redirect-following OkHttp requests and read back page titles, meta descriptions and favicons.
Text from CVE List
Affected versions 1
- fish-island-backendaffected: all versions through 7c61b7861e99d3970beb34103c244b79e4de7d88CVE List
References 5
- vulncheck.com/advisories/fish-island-backend-through-commit-7c61b78-ssrf-via-api-web-parseAdvisoryvia CVE List
- hackmd.io/@hieuPenguinnn/fish-island-web-parse-unauth-ssrfExploitvia CVE List
- github.com/lhccong/fish-island-backend/blob/7c61b7861e99d3970beb34103c244b79e4de7d88/src/main/java/com/cong/fishisland/service/impl/chat/WebParserServiceImpl.java#L28-L45Referencevia CVE List
- github.com/lhccong/fish-island-backend/blob/7c61b7861e99d3970beb34103c244b79e4de7d88/src/main/java/com/cong/fishisland/controller/chat/WebParserController.java#L13-L25Referencevia CVE List
- github.com/lhccong/fish-island-backend/blob/7c61b7861e99d3970beb34103c244b79e4de7d88/src/main/java/com/cong/fishisland/config/CorsConfig.java#L33Referencevia CVE List