CVE-2026-82375

HIGHPre-NVD 7.47.4—
EchelonGraph scoreHIGH confidence

Score 7.4 from GitHub Security Advisory (severity: HIGH) published 2026-09-28. A secondary CVSS source baseline 7.4; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
7.4EG
EchelonGraph verdictPlan mitigationSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0.4%CVSS: 7.4Exploit: None knownExposed services: Not assessed

An upstream fix is merged but not yet released — mitigate (WAF / firewall / segmentation) until the release ships, then apply it.

Server-Side Request Forgery (SSRF) in Apache Roller 6.1.5 allows an authenticated user with entry-editing rights on a weblog to cause outbound HTTP requests to attacker-chosen destinations through legacy outbound Trackback and entry enclosure handling. The Trackback control is hidden in the standard UI, but its action remains directly reachable; the enclosure path is relevant only when an author supplies an enclosure URL. No non-default server configuration is required, and the default empty Trackback allow-list permits all destinations. Requests can reach loopback and private-network addresses, while enclosure handling exposes response status, content type, and length. Users are recommended to upgrade to Apache Roller 6.1.6 or later, which removes the outbound trackback action and stops dereferencing enclosure URLs.

CVSS v3
7.4
EG Score
7.4HIGHhigh confidence
EG Risk
33
EG Risk 33/100CISA SSVC

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity74% × 45%
Exploitation0% × 40%
Automatability0% × 15%
CISA SSVC: Track at every mission impact level.
Action: An upstream fix is merged but not yet in a tagged release. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines until it ships, then apply the release.
EPSS PROB
0.4%
EPSS %ILE
28th
KEV
Not listed

CISA SSVCTrack at every mission impact level.

An upstream fix is merged but not yet in a tagged release. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines until it ships, then apply the release.

Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

September 28, 2026

Last Modified

September 28, 2026

Advisory Details (3)

Auto-updated Sep 28, 2026
Upstream fix merged — awaiting tagged release. Sources: github_pr.
generic
https://lists.apache.org/thread/0p7kc0rjcpj3rf00cp96zfkfrz0ns4ny
github_pr

Remove legacy outbound trackback action

Fix merged in apache/roller PR #163 on 2026-09-05 — awaiting tagged release

https://github.com/apache/roller/pull/163
github_pr

Store enclosure metadata without fetching remote URLs

Fix merged in apache/roller PR #175 on 2026-09-05 — awaiting tagged release

https://github.com/apache/roller/pull/175

Vendor Advisories for CVE-2026-82375(1)

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

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 31× 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. 2026-10-05 07:47 UTCEG score recompute
  2. 2026-10-05 07:47 UTCGHSA enrichment
  3. 2026-10-04 23:22 UTCEPSS rescore
  4. 2026-10-04 19:24 UTCGHSA enrichment
  5. 2026-10-04 07:00 UTCGHSA enrichment
  6. 2026-10-03 18:37 UTCEG score recompute
  7. 2026-10-03 18:37 UTCGHSA enrichment
  8. 2026-10-03 14:26 UTCEPSS rescore
  9. 2026-10-03 06:14 UTCEG score recompute
  10. 2026-10-03 06:14 UTCGHSA enrichment
  11. 2026-10-02 17:57 UTCEPSS rescore
  12. 2026-10-02 17:51 UTCGHSA enrichment
  13. 2026-10-02 05:29 UTCEG score recompute
  14. 2026-10-02 05:29 UTCGHSA enrichment
  15. 2026-10-01 19:50 UTCEPSS rescore
  16. 2026-10-01 17:04 UTCGHSA enrichment
  17. 2026-10-01 04:41 UTCGHSA enrichment
  18. 2026-09-30 16:17 UTCEG score recompute
  19. 2026-09-30 16:17 UTCGHSA enrichment
  20. 2026-09-30 15:04 UTCEPSS rescore
  21. 2026-09-30 03:40 UTCEG score recompute
  22. 2026-09-30 03:40 UTCGHSA enrichment
  23. 2026-09-29 15:15 UTCGHSA enrichment
  24. 2026-09-29 02:53 UTCEG score recompute
  25. 2026-09-29 02:53 UTCGHSA enrichment
Show 11 more
  1. 2026-09-28 14:30 UTCGHSA enrichment
  2. 2026-09-28 14:25 UTCEG score recompute
  3. 2026-09-28 14:25 UTCGHSA enrichment
  4. 2026-09-28 13:52 UTCEPSS rescore
  5. 2026-09-28 13:44 UTCEG score recompute
  6. 2026-09-28 13:44 UTCGHSA enrichment
  7. 2026-09-28 09:32 UTCEG score recompute
  8. 2026-09-28 09:32 UTCGHSA enrichment
  9. 2026-09-28 08:29 UTCEG score recompute
  10. 2026-09-28 08:08 UTCEG score recompute
  11. 2026-09-28 08:07 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-82375?
CVE-2026-82375 is a high vulnerability published on September 28, 2026. Server-Side Request Forgery (SSRF) in Apache Roller 6.1.5 allows an authenticated user with entry-editing rights on a weblog to cause outbound HTTP requests to attacker-chosen destinations through legacy outbound Trackback and entry enclosure handling. The Trackback control is hidden in the…
When was CVE-2026-82375 disclosed?
CVE-2026-82375 was first published on September 28, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-82375 actively exploited?
CVE-2026-82375 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.4% probability of exploitation in the next 30 days (28th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-82375?
CVE-2026-82375 has a CVSS base score of 7.4 (a secondary CVSS source that NVD displays; NVD's own analysis pending).
How do I remediate CVE-2026-82375?
An upstream fix for CVE-2026-82375 has been merged but is not yet in a tagged release. Until it ships, restrict network exposure of the affected system or apply the vendor's mitigation, then update to the release that contains the fix. The vendor advisories EchelonGraph has for CVE-2026-82375 are linked in the Vendor Advisories panel on this page.

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