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MEDIUM

CVE-2026-44733

CVE-2026-44733 — OpenProject: Business Logic Error on OpenProject through PATCH request to /api/v3/users/me permits to bypass password requirements

OpenProject is open-source, web-based project management software. Prior to 17.3.2 and 17.4.0, Business Logic Error on OpenProject through PATCH request to /api/v3/users/me permits to bypass password requirements. A password validation flaw in the change password behavior allows attackers to change a user's password only with an active session takeover. This vulnerability is fixed in 17.3.2 and 17.4.0.

Published Updated Sources: cvelistV5, GitHub_M

Triage

Is it exploited, how likely is exploitation, what does it touch, and how severe do the scoring sources call it.

Exploitation

Unreported

no source claims exploitation

EPSS

0%

chance of exploitation in 30 days

Affects

opf

openproject

CVSS base

5.9

MEDIUM

CISA SSVC assessment

Three decision points CISA publishes for the CVEs it assesses · SSVC 2.0.3. A stakeholder decision, not a severity score.

CISA

Exploitation

None

none · proof-of-concept · active

Automatable

No

can an attacker script all four kill-chain steps

Technical impact

Partial

partial · total control of the vulnerable component

Affected scope

The catalog records vendors and products as separate lists, not pairs, so which product belongs to which vendor is not something this page can say.

Vendors (1)

opf

Products (1)

openproject

Every base score collected

Sources score independently and disagree; each row says who scored it and under which version.

ScoreVersionSeverityExpl.ImpactSource
5.9CVSS 3.1MEDIUM——cvelistV5

Weakness & attack patterns

  • CWE-620

Detection

Read off the CVSS vector and the weakness class. Starting points, not rules we have tested.

  • Search application, proxy, and WAF logs for requests touching /api/v3/users/me.

References

1 on the record

Elsewhere on this site

  • opfevery CVE for this vendor
  • CWE-620other pages naming this weakness

Not in any source we poll

Listed rather than left blank: an empty field and an unmeasured one look identical on screen, and only one is a reason to look elsewhere.

  • No confirmed IOCs, IP addresses, domains, file hashes, or malware artifacts supplied.
  • No organization-specific asset inventory, compensating-control status, or patch deployment evidence supplied.
  • No exploit packet captures, log samples, or incident case IDs supplied.