CVE-2026-115752
LOW 2.3Signal K Server from 2.28.0-beta.2 before 2.34.0 contains a server-side request forgery vulnerability in the App Store icon fetcher that trusts absolute signalk.appIcon URLs. Attackers publishing npm packages with Signal K keywords can make servers request loopback, vessel network, or cloud metadata endpoints, storing image-typed responses served back via the admin UI.
No known exploitation, public exploit, or elevated probability at this time. Track for changes.
Exploitation likelihood
0.2%chance of exploitation in 30 days · 7th percentile
Impact if exploited
2.3CVSS 4.0 · LOW
- ConfidentialityLow
- IntegrityLow
- AvailabilityNone
What an attacker needs
- ✓Access: Reachable over the network — no local access needed
- ✓Privileges: No account or privileges required
- ⚠User interaction: Succeeds with passive user activity
- ✓Complexity: No special conditions — reliably repeatable
- ⚠Requirements: Specific conditions must be present
✓ lowers the bar for an attacker · ⚠ raises it
Proof of concept
No public PoC is currently catalogued.
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Tracked sources are checked daily for recent CVEs, including PoCs published after the original disclosure. A later release appears after a tracked source lists it and a refresh succeeds.
Data snapshot:
Weakness (CWE)
- CWE-918: Server-Side Request Forgery (SSRF)
CVSS vector
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
References and research data (JSON)
All CVSS metrics
- LOW 2.3 v4.0 · CNA Primary
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N - MEDIUM 4.2 v3.1 · CNA Primary
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N - LOW 2.3 v4.0 · NVD Secondary
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - MEDIUM 4.2 v3.1 · NVD Primary
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N
References
Patches & mitigations
- https://github.com/SignalK/signalk-server/commit/535104f655304c697d535252da397948e5101dc6 CVE record · VulnCheck · Updated 2026-10-23T13:03:34.217Z
NVD · CVE-2026-115752 · Updated 2026-10-23T19:57:42.660 - https://github.com/SignalK/signalk-server/releases/tag/v2.34.0 CVE record · VulnCheck · Updated 2026-10-23T13:03:34.217Z
NVD · CVE-2026-115752 · Updated 2026-10-23T19:57:42.660
Advisories
- https://github.com/SignalK/signalk-server/security/advisories/GHSA-7wpf-ch8f-5f4x CVE record · VulnCheck · Updated 2026-10-23T13:03:34.217Z
NVD · CVE-2026-115752 · Updated 2026-10-23T19:57:42.660 - https://www.vulncheck.com/advisories/signal-k-server-2.28.0-beta.2-before-2.34.0-ssrf-via-app-store-appicon CVE record · VulnCheck · Updated 2026-10-23T13:03:34.217Z
NVD · CVE-2026-115752 · Updated 2026-10-23T19:57:42.660 - https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-108960 EUVD · EUVD-2026-108960