CVE-2026-49355

MEDIUMPre-NVD 4.34.3—
EchelonGraph scoreMEDIUM confidence

This medium-severity CVE scores 4.3 under a secondary CVSS source (NVD's own analysis pending). EPSS exploit probability: 0.2%, top 88% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, secondary
4.3
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 4.3Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

OpenProject is open-source, web-based project management software. Prior to 17.4.0, GET /api/v3/meetings/:meeting_id/agenda_items/:agenda_item_id discloses private work package data from a linked work package that belongs to a private/inaccessible project. This vulnerability is fixed in 17.4.0.

CVSS v3
4.3
EG Score
4.3(medium)
EPSS
11.7%
KEV
Not listed

Published

June 26, 2026

Last Modified

June 29, 2026

Advisory Details (1)

Auto-updated Jun 26, 2026
Patch available. Sources: github.
github Patch Available

Private work package data disclosure through single meeting agenda item API · Advisory · opf/openproject · GitHub

https://github.com/opf/openproject/security/advisories/GHSA-g387-6rm2-xw88

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 14× in last 7d / 36× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-13 06:13 UTCEPSS rescore
  2. 2026-07-12 15:32 UTCEG score recompute
  3. 2026-07-12 05:46 UTCEPSS rescore
  4. 2026-07-11 17:16 UTCEG score recompute
  5. 2026-07-11 08:27 UTCEPSS rescore
  6. 2026-07-10 19:04 UTCEG score recompute
  7. 2026-07-09 20:53 UTCEG score recompute
  8. 2026-07-09 19:10 UTCEPSS rescore
  9. 2026-07-08 22:40 UTCEG score recompute
  10. 2026-07-08 15:16 UTCEPSS rescore
  11. 2026-07-08 00:28 UTCEG score recompute
  12. 2026-07-07 13:46 UTCEPSS rescore
  13. 2026-07-07 02:17 UTCEG score recompute
  14. 2026-07-06 16:27 UTCEPSS rescore
  15. 2026-07-06 03:51 UTCEG score recompute
  16. 2026-07-06 02:23 UTCEPSS rescore
  17. 2026-07-05 05:39 UTCEG score recompute
  18. 2026-07-05 02:30 UTCEPSS rescore
  19. 2026-07-04 07:27 UTCEG score recompute
  20. 2026-07-04 06:31 UTCEPSS rescore
  21. 2026-07-03 09:15 UTCEG score recompute
  22. 2026-07-02 11:03 UTCEG score recompute
  23. 2026-07-01 15:07 UTCEPSS rescore
  24. 2026-07-01 12:49 UTCEG score recompute
  25. 2026-06-30 23:22 UTCEPSS rescore
Show 11 more
  1. 2026-06-30 14:36 UTCEG score recompute
  2. 2026-06-29 16:19 UTCEG score recompute
  3. 2026-06-29 14:06 UTCEPSS rescore
  4. 2026-06-29 14:06 UTCEPSS rescore
  5. 2026-06-28 18:08 UTCEG score recompute
  6. 2026-06-28 14:07 UTCEPSS rescore
  7. 2026-06-28 04:56 UTCEPSS rescore
  8. 2026-06-28 04:56 UTCEPSS rescore
  9. 2026-06-27 19:57 UTCEG score recompute
  10. 2026-06-26 21:45 UTCEG score recompute
  11. 2026-06-26 21:42 UTCNVD updatefirst tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-49355?
CVE-2026-49355 is a medium vulnerability published on June 26, 2026. OpenProject is open-source, web-based project management software. Prior to 17.4.0, GET /api/v3/meetings/:meetingid/agendaitems/:agendaitemid discloses private work package data from a linked work package that belongs to a private/inaccessible project. This vulnerability is fixed in 17.4.0.
When was CVE-2026-49355 disclosed?
CVE-2026-49355 was first published in the National Vulnerability Database on June 26, 2026, with the most recent update on June 29, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-49355 actively exploited?
CVE-2026-49355 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 11.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-49355?
CVE-2026-49355 has a CVSS v3 base score of 4.3 (NVD).
How do I remediate CVE-2026-49355?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-49355, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2026-49355

Explore →

Is Your Infrastructure Affected by CVE-2026-49355?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs