In JetBrains YouTrack before 2026.1.13570 improper access control allowed low-privileged users to modify service accounts
- Published
- May 29, 2026
- Updated
- Jul 22, 2026
- EPSS
- 0.3% · 20th percentile
- CWE
- CWE-862
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Report tools
Action score
26
Monitor
Low priority for now.
- CVSS
- 26 / 40 · 6.5 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 0 / 30 · 0.3%
CISA SSVC decision
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
Vulnrichment: CISA's decision-tree inputs.
CNA vs NVD score
- NVD
- —
- CNA · JetBrains
- 6.5
- NVD has not scored this yet; the score shown is the CNA’s.
The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.
Affected systems
| Vendor | Product | CPE |
|---|---|---|
| jetbrains | youtrack | cpe:2.3:a:jetbrains:youtrack |
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- jetbrains youtrackbefore 2026.1.13570
Versions reported by the vendor
Affected version ranges reported by the assigning authority (JetBrains). Independent of NVD's CPE analysis and usually ahead of it.
JetBrains YouTrack
- before 2026.1.13570affected · semver
Same product
jetbrains: all recordsOther highest-scoring records for the same primary product.
- CVE-2022-24442JetBrains YouTrack before 2021.4.40426 was vulnerable to SSTI (Server-Side Template Injection) via FreeMarker templates.40Plan
- CVE-2021-43185JetBrains YouTrack before 2021.3.23639 is vulnerable to Host header injection.40Plan
- CVE-2021-25770In JetBrains YouTrack before 2020.5.3123, server-side template injection (SSTI) was possible, which could lead to code execution.40Plan
- CVE-2019-12852An SSRF attack was possible on a JetBrains YouTrack server.40Plan
- CVE-2019-12867Certain actions could cause privilege escalation for issue attachments in JetBrains YouTrack.40Plan
- CVE-2019-12866An Insecure Direct Object Reference, with Authorization Bypass through a User-Controlled Key, was possible in JetBrains YouTrack.40Plan
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
| Product / package | Fixed version | Source |
|---|---|---|
| JetBrains YouTrack | 2026.1.13570 | Vendor (CNA) |
Exploit status
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
No dated events beyond publication.
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
No credits in the CNA record.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
- CVE-2026-7504480 days apartIn JetBrains YouTrack before 2025.3.156085,
2026.1.13914,
2026.2.18095 missing authorisation allowed an authenticated user to delete arbit32Monitor
- CVE-2026-7505180 days apartIn JetBrains YouTrack before 2026.2.17917 unauthorised project transfer between organisations was possible32Monitor
- CVE-2026-86479101 days apartIn JetBrains YouTrack before 2026.2.18788,
2026.1.14055,
2025.3.161254 missing authorisation allowed access to restricted REST API resourc32Monitor
- CVE-2026-5792128 days apartIn JetBrains YouTrack before 2026.2.16593 improper access control allowed reading users' private data via the comment templates endpoint30Monitor
- CVE-2026-5792328 days apartIn JetBrains YouTrack before 2026.2.16593 improper authorisation in the app configurations endpoint allowed modifying project settings30Monitor
- CVE-2026-86494101 days apartIn JetBrains YouTrack before 2026.2.18634 cloning a whiteboard allowed unauthorized changes to links on inaccessible issues30Monitor
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
Attack conditions
- Anyone who can reach it over the internet can trigger it.
- A low-privileged account is enough.
- No user action is required.
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- none
- Integrity
- high · data or configuration can be modified
- Availability
- none
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- None
- Integrity impact
- High
- Availability impact
- None
Weakness class (CWE)
CWE-862 · Missing AuthorizationCVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
nvd-secondary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for helpChange log
- Fix✗ → ✓
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References
Vendor advisories and official records. Exploit/PoC links are deliberately left out.