CVE-2026-97023

HIGHPre-NVD 7.17.1
EchelonGraph scoreMEDIUM confidence

“—” beside the score: it is equal to the CVSS score beside it.

This high-severity CVE scores 7.1 under a secondary CVSS source (NVD's own analysis pending). EPSS exploit probability: 0.5% (40th percentile of EPSS-scored CVEs). No GitHub Security Advisory CVSS is on record for this CVE.

Triggered by: Headline CVSS from a secondary CVSS source
Sources: EPSS, a secondary CVSS source

Also known asEUVD-2026-88442 (ENISA EUVD)Source: ENISA EUVD

7.1EG
EchelonGraph verdictPlan a fixRemediate within your standard update timelines (the SSVC decision on this page).
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0.5%CVSS: 7.1Exploit: None knownExposed services: Not assessed

A fix is available — apply it.

A path traversal vulnerability in Flatpak's handling of the export/bin directory during app deployment allows a malicious Flatpak app to cause deletion of attacker-chosen files outside the deployment directory when the app is installed or upgraded. In system-wide installations, the deletion is performed as root.

CVSS v3
7.1
EG Score
7.1HIGHmedium confidence
EG Risk
32
EG Risk 32/100

EG Risk is EchelonGraph's 0–100 priority score. It fuses impact severity (EG Severity, the CVSS base score, never the KEV-floored or EPSS-lifted EG Score) with real-world exploitation and automatability, under weights EchelonGraph set by hand, so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner.

How it’s computed (value × EchelonGraph’s weight)
Severity71% × 45%
Impact severity (EG Severity): CVSS 7.1 of 10. Never the KEV-floored or EPSS-lifted EG Score.
Exploitation0.5% × 40%
FIRST EPSS: the 30-day exploitation probability when EchelonGraph scored this CVE.
Automatability0% × 15%
CISA's SSVC Automatable value: no (Vulnrichment).
SSVC (CISA's decision table, applied by EchelonGraph): Track at every mission impact level.
Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). All three are CISA's SSVC values (Vulnrichment). EchelonGraph applied CISA's decision table to them; CISA publishes SSVC inputs and the table, not a decision for each CVE.
Action: A fix is available. Apply it within your standard update timelines.
EPSS PROB
0.5%
EPSS %ILE
40th
KEV
Not listed

What the EG score is made of (scorer v4.0: the three questions the 0–10 score mixes, published apart · methodology)

The EG score (7.1): severity, escalated by confirmed exploitation. This CVE's 7.1 is its impact severity (EG Severity), not escalated.

EG Severity
7.1 HIGHCVSS-B, impact only: no KEV listing, EPSS or EG-KEV tier raises it.a secondary CVSS source · CVSS v3.0 or v3.1
EG Likelihood
0.5% within 30 daysSource: FIRST EPSS (model v2026.06.15, score date 2026-11-10). FIRST's exploitation probability, not an EchelonGraph model.
Confirmed exploitation
None on record (CISA KEV, EG-KEV Tier 1)Reported apart from the likelihood: an observed fact, not a probability.
EG Priority
SSVC Track at medium mission impactTrack at every mission impact level.CISA BOD 26-04: 60 days if the affected system is publicly exposed; Fix on system upgrade if it is not.Each input and its source, and whom BOD 26-04 binds: the SSVC and BOD 26-04 blocks below.

SSVC (CISA's decision table, applied by EchelonGraph)Track at every mission impact level.

A fix is available. Apply it within your standard update timelines.

Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). All three are CISA's SSVC values (Vulnrichment). EchelonGraph applied CISA's decision table to them; CISA publishes SSVC inputs and the table, not a decision for each CVE. Mission impact is CISA's Mission & Well-being decision point, and only you can judge it. CISA's table makes it high when Mission Prevalence is Essential — the vulnerable component "directly provides capabilities that constitute at least one MEF for at least one entity" (MEF: mission essential function) — or when Public Well-Being Impact is Irreversible: "multiple fatalities are likely", the cyber-physical system "is likely lost or destroyed", "extreme or serious externalities" are imposed on other parties, or social systems such as elections or the financial grid "are destabilized and potentially collapse". CISA's decision table

BOD 26-04 (CISA's remediation timeline, Table 1)60 days if the affected system is publicly exposed; Fix on system upgrade if it is not.

The score's inputs: In CISA KEV no (CISA's KEV catalog) · Automatable no (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). Whether your system is publicly exposed is yours to answer. BOD 26-04 binds US Federal Civilian Executive Branch agencies; for anyone else it is CISA's published timeline, a reference rather than an obligation. The directive · how EchelonGraph applies it

Published

September 28, 2026

Last Modified

November 11, 2026

Advisory Details (2)

Auto-updated Sep 28, 2026
Patch available. Sources: redhat, github.
GitHub advisoryMentions a patch (unverified)

CVE-2026-97023: Arbitrary file deletion in root context from path traversal attack on "export/bin" in deploy directories · Advisory · flatpak/flatpak · GitHub

Affected: 1.18.4 by commits

https://github.com/flatpak/flatpak/security/advisories/GHSA-5p67-xh8x-rq54
Red HatMentions a patch (unverified)

CVE-2026-97023 - Red Hat Customer Portal

Affected: Red Hat Enterprise Linux 8 or OpenShift Container Platform 4, is affected by this vulnerability and a fix may be released to a

https://access.redhat.com/security/cve/CVE-2026-97023

Vendor Advisories for CVE-2026-97023(6)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Patch Availability(7)

Vendor / EcosystemFix (by version range) / PatchReleasedSource
redhatflatpak-0:1.12.9-3.el9_4.72026-11-04redhat
redhatflatpak-0:1.12.7-5.el9_2.72026-11-04redhat
redhatflatpak-0:1.16.0-5.el10_0.82026-11-04redhat
redhatflatpak-0:1.12.9-4.el9_6.72026-11-04redhat
redhatflatpak-0:1.12.9-9.el8_102026-10-26redhat
redhatflatpak-0:1.12.9-4.el9_8.62026-10-26redhat
redhatflatpak-0:1.16.0-9.el10_2.62026-10-26redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(3 across 3 ecosystems)
Debian:12(1)
PackageVulnerable rangeFix by version rangeDependents
flatpak1.14.10-1 ... 1.18.4-1 (53 versions)
  • every version on: no fix on record
—
Debian:13(1)
PackageVulnerable rangeFix by version rangeDependents
flatpak1.16.1-1 ... 1.16.6-1~deb13u2 (13 versions)
  • every version up to 1.16.6-1~deb13u3: fixed in 1.16.6-1~deb13u3
—
Debian:14(1)
PackageVulnerable rangeFix by version rangeDependents
flatpak1.16.1-1 ... 1.18.3-1 (23 versions)
  • every version up to 1.18.4-1: fixed in 1.18.4-1
—

Weakness Classification(1)

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

Additional Vendor Advisories

(1)

Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.

Data Freshness Timeline

(refreshed 11× in last 7d / 41× in last 30d)

Each row is a time one of our pipelines fetched, updated or re-scored this CVE. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed its CVE.org record (CNA or CISA ADP). An arrow marks a change the record states ("CVSS v3 → 9.1"); EPSS and GHSA rows show the values recorded at that time, not what changed (EPSS values are rounded; hover one for the exact figures). "EchelonGraph re-scored" is our own recompute of this CVE's score, not an update from a source, and is not counted in the refreshes above. Most recent first.

  1. 2026-11-12 16:35 UTCEPSS rescoreEPSS 0.5% · 40th percentile
  2. 2026-11-11 16:41 UTCEPSS rescoreEPSS 0.5% · 40th percentile
  3. 2026-11-11 14:27 UTCEchelonGraph re-scored
  4. 2026-11-11 14:27 UTCVendor advisory
  5. 2026-11-11 13:44 UTCEchelonGraph re-scored
  6. 2026-11-11 13:44 UTCVendor advisory
  7. 2026-11-11 13:28 UTCEchelonGraph re-scored
  8. 2026-11-11 13:28 UTCVendor advisory
  9. 2026-11-11 12:24 UTCEchelonGraph re-scored
  10. 2026-11-11 12:24 UTCVendor advisory
  11. 2026-11-10 16:46 UTCEPSS rescoreEPSS 0.5% · 40th percentile
  12. 2026-11-09 16:36 UTCEPSS rescoreEPSS 0.5% · 40th percentile
  13. 2026-11-08 16:41 UTCEPSS rescoreEPSS 0.5% · 40th percentile
  14. 2026-11-07 16:40 UTCEPSS rescoreEPSS 0.5% · 40th percentile
  15. 2026-11-06 16:40 UTCEPSS rescoreEPSS 0.5% · 40th percentile
  16. 2026-11-05 16:39 UTCEPSS rescoreEPSS 0.5% · 40th percentile
  17. 2026-11-05 01:27 UTCEchelonGraph re-scored
  18. 2026-11-05 01:27 UTCVendor advisory
  19. 2026-11-05 00:25 UTCEchelonGraph re-scored
  20. 2026-11-05 00:25 UTCVendor advisory
  21. 2026-11-04 16:37 UTCEPSS rescoreEPSS 0.4% · 32nd percentile
  22. 2026-11-04 13:27 UTCEchelonGraph re-scored
  23. 2026-11-04 13:27 UTCVendor advisory
  24. 2026-11-04 12:26 UTCEchelonGraph re-scored
  25. 2026-11-04 12:26 UTCVendor advisory
Show 74 more
  1. 2026-11-04 10:27 UTCEchelonGraph re-scored
  2. 2026-11-04 10:27 UTCVendor advisory
  3. 2026-11-04 09:51 UTCEchelonGraph re-scored
  4. 2026-11-04 09:51 UTCVendor advisory
  5. 2026-11-03 16:49 UTCEPSS rescoreEPSS 0.4% · 31st percentile
  6. 2026-11-02 16:46 UTCEPSS rescoreEPSS 0.4% · 31st percentile
  7. 2026-11-02 16:00 UTCEchelonGraph re-scored
  8. 2026-11-02 16:00 UTCVendor advisory
  9. 2026-11-01 16:36 UTCEPSS rescoreEPSS 0.4% · 31st percentile
  10. 2026-10-31 16:33 UTCEPSS rescoreEPSS 0.4% · 31st percentile
  11. 2026-10-30 16:35 UTCEPSS rescoreEPSS 0.4% · 31st percentile
  12. 2026-10-29 16:34 UTCEPSS rescoreEPSS 0.4% · 31st percentile
  13. 2026-10-28 16:33 UTCEPSS rescoreEPSS 0.4% · 30th percentile
  14. 2026-10-27 16:33 UTCEPSS rescoreEPSS 0.4% · 30th percentile
  15. 2026-10-26 16:33 UTCEPSS rescoreEPSS 0.3% · 23rd percentile
  16. 2026-10-26 11:29 UTCEchelonGraph re-scored
  17. 2026-10-26 10:50 UTCEchelonGraph re-scored
  18. 2026-10-26 10:26 UTCEchelonGraph re-scored
  19. 2026-10-26 09:40 UTCEchelonGraph re-scored
  20. 2026-10-26 08:28 UTCEchelonGraph re-scored
  21. 2026-10-26 07:45 UTCEchelonGraph re-scored
  22. 2026-10-25 16:34 UTCEPSS rescoreEPSS 0.3% · 20th percentile
  23. 2026-10-25 13:48 UTCEchelonGraph re-scored
  24. 2026-10-24 16:34 UTCEPSS rescoreEPSS 0.3% · 19th percentile
  25. 2026-10-23 16:33 UTCEPSS rescoreEPSS 0.3% · 19th percentile
  26. 2026-10-22 16:35 UTCEPSS rescoreEPSS 0.3% · 19th percentile
  27. 2026-10-21 16:34 UTCEPSS rescoreEPSS 0.3% · 19th percentile
  28. 2026-10-20 16:34 UTCEPSS rescoreEPSS 0.3% · 19th percentile
  29. 2026-10-20 08:36 UTCEchelonGraph re-scored
  30. 2026-10-19 16:33 UTCEPSS rescoreEPSS 0.3% · 19th percentile
  31. 2026-10-18 16:33 UTCEPSS rescoreEPSS 0.3% · 19th percentile
  32. 2026-10-18 02:56 UTCEchelonGraph re-scored
  33. 2026-10-17 16:35 UTCEPSS rescoreEPSS 0.3% · 19th percentile
  34. 2026-10-16 16:45 UTCEPSS rescoreEPSS 0.3% · 19th percentile
  35. 2026-10-15 16:33 UTCEPSS rescoreEPSS 0.3% · 19th percentile
  36. 2026-10-14 16:34 UTCEPSS rescoreEPSS 0.3% · 19th percentile
  37. 2026-10-13 16:35 UTCEPSS rescoreEPSS 0.3% · 19th percentile
  38. 2026-10-13 04:04 UTCEchelonGraph re-scored
  39. 2026-10-12 16:35 UTCEPSS rescoreEPSS 0.3% · 19th percentile
  40. 2026-10-12 14:40 UTCEchelonGraph re-scored
  41. 2026-10-11 19:11 UTCEchelonGraph re-scored
  42. 2026-10-11 16:26 UTCEchelonGraph re-scored
  43. 2026-10-11 14:13 UTCEchelonGraph re-scored
  44. 2026-10-11 13:50 UTCEPSS rescoreEPSS 0.3% · 19th percentile
  45. 2026-10-11 13:38 UTCEchelonGraph re-scored
  46. 2026-10-11 02:36 UTCEchelonGraph re-scored
  47. 2026-10-10 20:00 UTCEPSS rescoreEPSS 0.3% · 19th percentile
  48. 2026-10-10 02:49 UTCEchelonGraph re-scored
  49. 2026-10-09 20:08 UTCEPSS rescoreEPSS 0.3% · 19th percentile
  50. 2026-10-09 03:37 UTCEchelonGraph re-scored
  51. 2026-10-08 17:14 UTCEPSS rescoreEPSS 0.3% · 19th percentile
  52. 2026-10-08 04:04 UTCEchelonGraph re-scored
  53. 2026-10-07 23:48 UTCEPSS rescoreEPSS 0.3% · 18th percentile
  54. 2026-10-06 16:37 UTCEchelonGraph re-scored
  55. 2026-10-06 15:19 UTCEPSS rescoreEPSS 0.3% · 18th percentile
  56. 2026-10-06 05:01 UTCEchelonGraph re-scored
  57. 2026-10-05 17:44 UTCEPSS rescoreEPSS 0.3% · 18th percentile
  58. 2026-10-05 05:49 UTCEchelonGraph re-scored
  59. 2026-10-04 23:23 UTCEPSS rescoreEPSS 0.3% · 18th percentile
  60. 2026-10-03 19:02 UTCEchelonGraph re-scored
  61. 2026-10-03 14:26 UTCEPSS rescoreEPSS 0.3% · 18th percentile
  62. 2026-10-02 19:49 UTCEchelonGraph re-scored
  63. 2026-10-02 17:57 UTCEPSS rescoreEPSS 0.3% · 18th percentile
  64. 2026-10-01 20:34 UTCEchelonGraph re-scored
  65. 2026-10-01 19:51 UTCEPSS rescoreEPSS 0.3% · 18th percentile
  66. 2026-09-30 21:22 UTCEchelonGraph re-scored
  67. 2026-09-30 15:04 UTCEPSS rescoreEPSS 0.3% · 18th percentile
  68. 2026-09-29 19:47 UTCEchelonGraph re-scored
  69. 2026-09-29 08:08 UTCEchelonGraph re-scored
  70. 2026-09-28 20:29 UTCEchelonGraph re-scored
  71. 2026-09-28 19:37 UTCEchelonGraph re-scored
  72. 2026-09-28 19:26 UTCEchelonGraph re-scored
  73. 2026-09-28 19:02 UTCEchelonGraph re-scoredFirst assessed: 7.1 HIGH
  74. 2026-09-28 19:01 UTCMITRE cvelistV5first tracked

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redhat:RHSA-2026:89849

Frequently asked(5)

What is CVE-2026-97023?
CVE-2026-97023 is a high-severity vulnerability; its CVE record was published on September 28, 2026. A path traversal vulnerability in Flatpak's handling of the export/bin directory during app deployment allows a malicious Flatpak app to cause deletion of attacker-chosen files outside the deployment directory when the app is installed or upgraded. In system-wide installations, the deletion is…
When was CVE-2026-97023 made public?
CVE-2026-97023 was made public on September 28, 2026: that is the date its CVE record's CNA, Red Hat, Inc., gives for when the vulnerability was made public. The CVE record itself was published on September 28, 2026. EchelonGraph's copy of the record carries a last-modified date of November 11, 2026; the record at its source may have been updated since.
Is CVE-2026-97023 actively exploited?
CVE-2026-97023 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.5% probability of exploitation in the next 30 days (40th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-97023?
CVE-2026-97023 has a CVSS base score of 7.1 (a secondary CVSS source that NVD displays; NVD's own analysis pending).
How do I remediate CVE-2026-97023?
A fix for CVE-2026-97023 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2026-97023 are linked in the Vendor Advisories panel on this page.

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