CVE-2026-76572

MEDIUMPre-NVD 4.74.7—
EchelonGraph scoreMEDIUM confidence

Score 4.7 from GitHub Security Advisory published 2026-08-19. a secondary CVSS source baseline 4.7; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
4.7EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 4.7Exploit: None knownExposed: 0

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

A vulnerability was detected in pkp pkp-lib up to 3.3.0-22/3.4.0-10/3.5.0-4. The affected element is the function _transformPHP of the file classes/xslt/XSLTransformer.php. The manipulation results in xml external entity reference. The attack can be executed remotely. Upgrading to version 3.3.0-23, 3.4.0-11 and 3.5.0-5 is sufficient to fix this issue. The patch is identified as 78c699370ea43ae2784e1c4ace7c947d207f2b47. Upgrading the affected component is advised.

CVSS v3
4.7
EG Score
4.7(medium)
EG Risk
21(Track)
EG Risk 21/100SSVC: Track

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
Severity47% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
27%
KEV
Not listed

Published

August 19, 2026

Last Modified

August 20, 2026

Advisory Details (3)

Auto-updated Aug 19, 2026
Upstream fix merged — awaiting tagged release. Sources: github_commit.
generic

GitHub - pkp/pkp-lib: The library used by PKP's applications OJS, OMP and OPS, open source software for scholarly publishing. · GitHub

https://github.com/pkp/pkp-lib/
github_commit

commit 78c699370ea4 (pkp/pkp-lib)

Fix landed in pkp/pkp-lib commit 78c699370ea4 — awaiting tagged release

https://github.com/pkp/pkp-lib/commit/78c699370ea43ae2784e1c4ace7c947d207f2b47
generic

Disable external XML entity loading · Issue #12977 · pkp/pkp-lib · GitHub

https://github.com/pkp/pkp-lib/issues/12977

Vendor Advisories for CVE-2026-76572(1)

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

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 17× in last 7d / 78× 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. 2026-09-18 21:42 UTCEG score recompute
  2. 2026-09-18 21:42 UTCGHSA enrichment
  3. 2026-09-18 19:28 UTCEPSS rescore
  4. 2026-09-17 21:29 UTCEG score recompute
  5. 2026-09-17 21:29 UTCGHSA enrichment
  6. 2026-09-16 20:05 UTCEG score recompute
  7. 2026-09-16 20:05 UTCGHSA enrichment
  8. 2026-09-16 14:08 UTCEPSS rescore
  9. 2026-09-16 05:15 UTCEPSS rescore
  10. 2026-09-15 18:50 UTCEG score recompute
  11. 2026-09-15 18:50 UTCGHSA enrichment
  12. 2026-09-15 03:12 UTCEPSS rescore
  13. 2026-09-14 19:55 UTCGHSA enrichment
  14. 2026-09-13 21:09 UTCEG score recompute
  15. 2026-09-13 21:09 UTCGHSA enrichment
  16. 2026-09-12 22:22 UTCEG score recompute
  17. 2026-09-12 22:22 UTCGHSA enrichment
  18. 2026-09-12 15:02 UTCEPSS rescore
  19. 2026-09-11 23:35 UTCEG score recompute
  20. 2026-09-11 23:35 UTCGHSA enrichment
  21. 2026-09-11 14:53 UTCEPSS rescore
  22. 2026-09-11 00:23 UTCEG score recompute
  23. 2026-09-11 00:23 UTCGHSA enrichment
  24. 2026-09-10 09:35 UTCEPSS rescore
  25. 2026-09-10 01:18 UTCGHSA enrichment
Show 61 more
  1. 2026-09-09 02:32 UTCEG score recompute
  2. 2026-09-09 02:32 UTCGHSA enrichment
  3. 2026-09-08 22:01 UTCEPSS rescore
  4. 2026-09-07 15:39 UTCGHSA enrichment
  5. 2026-09-06 16:29 UTCEG score recompute
  6. 2026-09-06 16:29 UTCGHSA enrichment
  7. 2026-09-06 13:48 UTCEPSS rescore
  8. 2026-09-05 17:43 UTCEG score recompute
  9. 2026-09-05 17:43 UTCGHSA enrichment
  10. 2026-09-04 18:53 UTCEG score recompute
  11. 2026-09-04 18:53 UTCGHSA enrichment
  12. 2026-09-04 05:07 UTCEPSS rescore
  13. 2026-09-03 20:07 UTCGHSA enrichment
  14. 2026-09-02 21:16 UTCEG score recompute
  15. 2026-09-02 21:16 UTCGHSA enrichment
  16. 2026-09-02 14:12 UTCEPSS rescore
  17. 2026-09-01 21:35 UTCEG score recompute
  18. 2026-09-01 21:35 UTCGHSA enrichment
  19. 2026-09-01 13:54 UTCEPSS rescore
  20. 2026-09-01 04:40 UTCEPSS rescore
  21. 2026-09-01 04:40 UTCEPSS rescore
  22. 2026-08-31 22:49 UTCGHSA enrichment
  23. 2026-08-31 00:03 UTCEG score recompute
  24. 2026-08-31 00:03 UTCGHSA enrichment
  25. 2026-08-30 19:18 UTCEPSS rescore
  26. 2026-08-30 19:17 UTCEPSS rescore
  27. 2026-08-30 01:22 UTCEPSS rescore
  28. 2026-08-30 01:16 UTCGHSA enrichment
  29. 2026-08-29 02:30 UTCEG score recompute
  30. 2026-08-29 02:29 UTCGHSA enrichment
  31. 2026-08-28 21:42 UTCEPSS rescore
  32. 2026-08-28 03:40 UTCEG score recompute
  33. 2026-08-28 03:40 UTCGHSA enrichment
  34. 2026-08-27 14:25 UTCEPSS rescore
  35. 2026-08-27 04:54 UTCEG score recompute
  36. 2026-08-27 04:54 UTCGHSA enrichment
  37. 2026-08-26 14:47 UTCEPSS rescore
  38. 2026-08-26 06:07 UTCEG score recompute
  39. 2026-08-26 06:07 UTCGHSA enrichment
  40. 2026-08-25 13:49 UTCEPSS rescore
  41. 2026-08-25 07:20 UTCEG score recompute
  42. 2026-08-25 07:20 UTCGHSA enrichment
  43. 2026-08-24 14:18 UTCEPSS rescore
  44. 2026-08-24 08:33 UTCGHSA enrichment
  45. 2026-08-23 09:46 UTCEG score recompute
  46. 2026-08-23 09:46 UTCGHSA enrichment
  47. 2026-08-23 00:19 UTCEPSS rescore
  48. 2026-08-22 10:59 UTCEG score recompute
  49. 2026-08-22 10:59 UTCGHSA enrichment
  50. 2026-08-21 23:49 UTCEPSS rescore
  51. 2026-08-21 12:13 UTCEG score recompute
  52. 2026-08-21 12:13 UTCGHSA enrichment
  53. 2026-08-20 22:56 UTCEPSS rescore
  54. 2026-08-20 13:26 UTCGHSA enrichment
  55. 2026-08-20 12:50 UTCEG score recompute
  56. 2026-08-20 12:50 UTCGHSA enrichment
  57. 2026-08-20 12:42 UTCEG score recompute
  58. 2026-08-20 12:42 UTCGHSA enrichment
  59. 2026-08-19 20:21 UTCEG score recompute
  60. 2026-08-19 19:43 UTCEG score recompute
  61. 2026-08-19 19:42 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-76572?
CVE-2026-76572 is a medium vulnerability published on August 19, 2026. A vulnerability was detected in pkp pkp-lib up to 3.3.0-22/3.4.0-10/3.5.0-4. The affected element is the function _transformPHP of the file classes/xslt/XSLTransformer.php. The manipulation results in xml external entity reference. The attack can be executed remotely. Upgrading to version 3.3.0-23,…
When was CVE-2026-76572 disclosed?
CVE-2026-76572 was first published in the National Vulnerability Database on August 19, 2026, with the most recent update on August 20, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-76572 actively exploited?
CVE-2026-76572 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 73.0% of all scored CVEs.
What is the CVSS score of CVE-2026-76572?
CVE-2026-76572 has a CVSS v3 base score of 4.7 (NVD).
How do I remediate CVE-2026-76572?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-76572, 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

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