CVE-2019-10276: Western Bridge Cobub Razor 0.8.0 has a file upload vulnerability via the web/assets/swf/uploadify.php URI, as

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CRITICAL 9.8REMOTEDOWNGRADE

CVE-2019-10276 is a critical-severity flaw (CVSS 9.8) affecting razor. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Western Bridge Cobub Razor 0.8.0 has a file upload vulnerability via the web/assets/swf/uploadify.php URI, as demonstrated by a .php file with the image/jpeg content type.

Why this priority

Critical severity
Public exploit reference
Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.8% (top 22%)
CISA exploited list	No
Weakness	CWE-434
Published	2019-03-29
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: cobub

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2019-03-29 07:29 UTCPublished CVE record published
2026-06-17 02:10 UTCUpdated Record last modified

cobub razor DOWNGRADE

Affected: 0.8.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.8.0

1. Check installed version

apt-cache policy razor || rpm -q razor || razor --version

2. No fixed release: DOWNGRADE to a release before 0.8.0 (Debian / Ubuntu)

apt-cache madison razor sudo apt install razor=<VERSION_BEFORE_0.8.0> sudo apt-mark hold razor

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list razor sudo dnf downgrade razor-<VERSION_BEFORE_0.8.0> sudo dnf versionlock add razor

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2019-10276?

razor: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2019-10276 being exploited?

CVE-2019-10276 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-2019-10276 affect?

CVE-2019-10276 affects razor. Severity is critical (CVSS 9.8). Western Bridge Cobub Razor 0.8.0 has a file upload vulnerability via the web/assets/swf/uploadify.php URI, as demonstrated by a .php file with the image/jpeg content type.

How urgent is CVE-2019-10276?

Priority 64/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

Software pages

PHP vulnerabilities

Related CVEs

CVE-2024-28421 CRITICAL 9.8 DOWNGRADE SQL Injection vulnerability in Razor 0.8.0 allows a remote attacker to escalate privileges via the ChannelMode
CVE-2022-36747 MEDIUM 6.1 DOWNGRADE Razor v0.8.0 was discovered to contain a cross-site scripting (XSS) vulnerability via the function uploadchann
CVE-2018-8770 MEDIUM 5.3 DOWNGRADE Physical path Leakage exists in Western Bridge Cobub Razor 0.8.0 via generate.php, controllers/getConfigTest.p
CVE-2018-8057 CRITICAL 9.8 DOWNGRADE A SQL Injection vulnerability exists in Western Bridge Cobub Razor 0.8.0 via the channel_name or platform para
CVE-2018-8056 HIGH 7.5 DOWNGRADE Physical path Leakage exists in Western Bridge Cobub Razor 0.8.0 via an invalid channel_name parameter to /ind

References

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