Tor before 0.4.9.7 can attempt or accept BEGIN_DIR via conflux legs, aka TROVE-2026-008
Published May 7, 2026
5.3
MEDIUMCVSS 3.1
EPSS 0.40%
Description
Tor before 0.4.9.7 can attempt or accept BEGIN_DIR via conflux legs, aka TROVE-2026-008.
Affected products
-
- Version 0StatusaffectedConstraints<0.4.9.7
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Torproject | Tor | unaffected |
|
- < 0.4.9.7
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
1 other source (MITRE) ▾
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
No CVSS v3.0 score for this CVE.
No CVSS v2.0 score for this CVE.
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
NoneAutomatable
NoTechnical Impact
PartialDecision
n/aAssessed May 7, 2026 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.
Score over time
May–Oct 2026- EPSS v4
- EPSS v5
Percentile over time
- EPSS v4
- EPSS v5
Table of values (3 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 0.40% (0.00397) | 31.57th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.29% (0.00287) | 20.17th | v5 (v2026.06.15) |
| May 7, 2026 | 0.03% (0.00029) | 8.30th | v4 (v2025.03.14) |
References (4)
- https://forum.torproject.org/c/news/tor-release-announcement/28 Release Notes
- https://gitlab.torproject.org/tpo/core/tor/-/commit/50f90ba849088247734786922855c22661c6fa03 Patch
- https://gitlab.torproject.org/tpo/core/tor/-/work_items/41243 Broken Link
- https://www.openwall.com/lists/oss-security/2026/05/06/8 Mailing ListThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| https://forum.torproject.org/c/news/tor-release-announcement/28 | Release Notes | |
| https://gitlab.torproject.org/tpo/core/tor/-/commit/50f90ba849088247734786922855c22661c6fa03 | Patch | |
| https://gitlab.torproject.org/tpo/core/tor/-/work_items/41243 | Broken Link | |
| https://www.openwall.com/lists/oss-security/2026/05/06/8 | Mailing ListThird Party Advisory |
Change history (0)
No recorded changes yet.