HOMEVULNERABILITIESCVE-2026-30839
MEDIUM

CVE-2026-30839

CWE-918Published: March 7, 2026· Updated: Mar 11, 2026

4.3
CVSS v3.1
EPSS:0.04%probability of exploitation in 30 daysPercentile:10.4th

Official Description

Wallos is an open-source, self-hostable personal subscription tracker. Prior to version 4.6.2, testwebhooknotifications.php does not validate the target URL against private/reserved IP ranges, enabling full-read SSRF. The server response is returned to the caller. This issue has been patched in version 4.6.2.

NVD Source

Technical Analysis

CVE-2026-30839 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityLow
IntegrityNone
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Affected Vendors & Products

wallosapp1 product
wallos
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

PATCHhttps://github.com/ellite/Wallos/commit/e8a513591dbbf885966e2ef55c38622785b9060d
ADVISORYhttps://github.com/ellite/Wallos/security/advisories/GHSA-x4qp-xm2c-vqg9

All References (3)

→
https://github.com/ellite/Wallos/commit/e8a513591dbbf885966e2ef55c38622785b9060dPatch
→
https://github.com/ellite/Wallos/releases/tag/v4.6.2Release Notes
→
https://github.com/ellite/Wallos/security/advisories/GHSA-x4qp-xm2c-vqg9Exploit · Vendor Advisory

Quick Facts

CVE IDCVE-2026-30839
CVSS Score4.3 / 10
SeverityMEDIUM
WeaknessCWE-918
CISA KEVNo
EPSS (30d)0.04%
Affected1 vendor
PublishedMar 7, 2026

Related CVEs (CWE-918)

CVE-2026-26138
10.0
CVE-2026-26150
10.0
CVE-2026-32169
10.0
CVE-2026-32871
10.0
CVE-2026-35431
10.0
CVE-2026-13773
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2026-30839 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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