CVE-2026-50741: Bypass to the fix for CVE-2026-34916

Q: How do I fix CVE-2026-50741?

revive adserver: upgrade to 6.0.8. Exact commands for each OS are on this page.

Q: Is CVE-2026-50741 being exploited?

CVE-2026-50741 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-50741 affect?

CVE-2026-50741 affects revive adserver. Severity is high (CVSS 8.8). Bypass to the fix for CVE-2026-34916. Variants of such vectors have been also reported by phucrio and offsetmd. The fix can be bypassed either by sending a disallowed but otherwise valid plugin identifier as `type`, or using the `ox.setChan

Q: How urgent is CVE-2026-50741?

Priority 54/100. High severity; EPSS top 8%: very likely to be exploited

This month

HIGH 8.8UPGRADE

CVE-2026-50741 is a high-severity flaw (CVSS 8.8) affecting revive adserver. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Bypass to the fix for CVE-2026-34916. Variants of such vectors have been also reported by phucrio and offsetmd. The fix can be bypassed either by sending a disallowed but otherwise valid plugin identifier as `type`, or using the `ox.setChannelTargeting` XML-RPC API method.

Why this priority

High severity
EPSS top 8%: very likely to be exploited

A fixed release or distro patch exists.

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	4.9% (top 8%)
CISA exploited list	No
Weakness	CWE-94
Published	2026-06-26
Last modified	2026-10-25

Publisher (CNA): HackerOne · Vendor: revive-adserver

Last updated 2026-10-25 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-06-26 02:16 UTCPublished CVE record published
2026-10-25 22:10 UTCUpdated Record last modified

revive-adserver revive adserver UPGRADE

Affected: < 6.0.8

Fixed in: 6.0.8

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy revive-adserver || rpm -q revive-adserver || revive-adserver --version

2. UPGRADE to 6.0.8 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade revive-adserver

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade revive-adserver

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Exact fixes by distribution

Fedora 46 · mingw-qt5-qtwebkit · FIXED · 5.212.0-0.46.alpha4.fc46 · FEDORA-2026-46ae541c22 · source

sudo dnf upgrade --advisory=FEDORA-2026-46ae541c22

Fedora ELN · kdominate · FIXED · 26.08.2-2.eln159 · FEDORA-2026-b1d98239fd · source

sudo dnf upgrade --advisory=FEDORA-2026-b1d98239fd

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-50741?

revive adserver: upgrade to 6.0.8. Exact commands for each OS are on this page.

Is CVE-2026-50741 being exploited?

CVE-2026-50741 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-50741 affect?

CVE-2026-50741 affects revive adserver. Severity is high (CVSS 8.8). Bypass to the fix for CVE-2026-34916. Variants of such vectors have been also reported by phucrio and offsetmd. The fix can be bypassed either by sending a disallowed but otherwise valid plugin identifier as `type`, or using the `ox.setChan

How urgent is CVE-2026-50741?

Priority 54/100. High severity; EPSS top 8%: very likely to be exploited

Related CVEs

CVE-2026-50745 MEDIUM 6.1 UPGRADE A missing sanitisation vulnerability exists with user input in the stats-video.php script
CVE-2026-50740 MEDIUM 5.4 UPGRADE A missing sanitisation vulnerability of user input in the zone-include.php script exists in Revive Adserver 6.
CVE-2026-50742 MEDIUM 5.4 UPGRADE A stored XSS vulnerabilities exists in the `maintenance-acl-check.php` and `maintenance-banners-check.php` too
CVE-2026-50739 MEDIUM 4.3 UPGRADE A bypass for CVE‑2026‑34913 exists with proper ownership validation that had not been applied to the reverse o
CVE-2026-50744 MEDIUM 4.3 UPGRADE A bypass to the admin‑only restriction of the XML‑RPC API in Revive Adserver 6.0.7

References

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