CVE-2026-5034: A flaw has been found in code-projects Accounting System 1.0

This week

HIGH 7.3REMOTEDOWNGRADE

CVE-2026-5034 is a high-severity flaw (CVSS 7.3) affecting accounting system. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A flaw has been found in code-projects Accounting System 1.0. Affected by this issue is some unknown functionality of the file /edit_costumer.php of the component Parameter Handler. This manipulation of the argument cos_id causes sql injection. It is possible to initiate the attack remotely. The exploit has been published and may be used.

Why this priority

High 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	7.3 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.3% (top 73%)
CISA exploited list	No
Weakness	CWE-74, CWE-89
Published	2026-03-29
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: sherlock

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

Am I affected?

Timeline

2026-03-29 06:16 UTCPublished CVE record published
2026-06-17 10:58 UTCUpdated Record last modified

sherlock accounting system DOWNGRADE

Affected: 1.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0

1. Check installed version

apt-cache policy accounting-system || rpm -q accounting-system || accounting-system --version

2. No fixed release: DOWNGRADE to a release before 1.0 (Debian / Ubuntu)

apt-cache madison accounting-system sudo apt install accounting-system=<VERSION_BEFORE_1.0> sudo apt-mark hold accounting-system

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

dnf --showduplicates list accounting-system sudo dnf downgrade accounting-system-<VERSION_BEFORE_1.0> sudo dnf versionlock add accounting-system

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-2026-5034?

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

Is CVE-2026-5034 being exploited?

CVE-2026-5034 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-2026-5034 affect?

CVE-2026-5034 affects accounting system. Severity is high (CVSS 7.3). A flaw has been found in code-projects Accounting System 1.0. Affected by this issue is some unknown functionality of the file /edit_costumer.php of the component Parameter Handler. This manipulation of the argument cos_id causes sql inject

How urgent is CVE-2026-5034?

Priority 42/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

Software pages

PHP vulnerabilities

Related CVEs

CVE-2026-5035 HIGH 7.3 DOWNGRADE A vulnerability has been found in code-projects Accounting System 1.0
CVE-2026-5033 HIGH 7.3 DOWNGRADE A vulnerability was detected in code-projects Accounting System 1.0

References

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