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Fencer Vulns
high 7.5

CVE-2026-61569 json

AVideo-Encoder: pre-authentication streamer-login SQL injection

published 2026-10-28 11 d ago modified 2026-10-29 10 d ago also EUVD-2026-112553

cvss
7.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 20%
public exploits
0
none known

Summary

AVideo is a video-sharing Platform. Prior to 8.1.0, the unauthenticated streamer login at `objects/login.json.php` passes the `user` parameter to `Streamer::get` in `objects/Streamer.php`, where it is interpolated into a single-quoted MariaDB SELECT without parameterization or escaping. Although `objects/security.php` strips literal single quotes, `html_entity_decode` in `objects/Login.php` restores entity-encoded quotes before the query. The supplied `siteURL` must pass the streamer allowlist, which allows all sites when empty by default, and an attacker-hosted login response must set `canUpload` or `isAdmin` to reach `Streamer::createIfNotExists`. That function calls `Streamer::get` before its additional allowlist check. UNION results are exposed through `streamers_id`, while failures return the rendered query and MariaDB error. An attacker can read arbitrary encoder database data, including stored upstream streamer credentials, allowlist configuration, and queue records, without encoder credentials. Stacked statements are not permitted by the mysqli driver and the tested database account lacks global FILE privilege, so the demonstrated vector is bounded to reads rather than server-side file writes. Stolen streamer credentials can provide continued upstream access until rotated. This issue is fixed in version 8.1.0.

Patch / fix

CISA SSVC

Exploitation
Proof of concept is public
Automatable
yes
Technical impact
partial
Assessed
10 d ago

Exploit prediction

0.28% chance of exploitation in the next 30 days, higher than 20% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/WWBN/AVideo-Encoder/security/advisories/GHSA-2rrq-xf8q-3qpf referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected products

  • WWBN AVideo-Encoder

Classification

Weakness
  • CWE-89 Improper Neutralization of Special Elements used in an SQL Command

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.